1449900 has 90 divisors (see below), whose sum is σ = 4726260. Its totient is φ = 384480.

The previous prime is 1449893. The next prime is 1449907. The reversal of 1449900 is 99441.

1449900 = T₃₂₈ + T₃₂₉ + ... + T₃₅₂.

It is an interprime number because it is at equal distance from previous prime (1449893) and next prime (1449907).

It is a tau number, because it is divible by the number of its divisors (90).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1449907) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 8011 + ... + 8189.

It is an arithmetic number, because the mean of its divisors is an integer number (52514).

2^1449900 is an apocalyptic number.

1449900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1449900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2363130).

1449900 is an abundant number, since it is smaller than the sum of its proper divisors (3276360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1449900 is a wasteful number, since it uses less digits than its factorization.

1449900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1449900 is about 1204.1179344234. The cubic root of 1449900 is about 113.1825175797.

The spelling of 1449900 in words is "one million, four hundred forty-nine thousand, nine hundred".