1449980 has 24 divisors (see below), whose sum is σ = 3480288. Its totient is φ = 497088.

The previous prime is 1449979. The next prime is 1449983. The reversal of 1449980 is 899441.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1449980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5039 + ... + 5318.

It is an arithmetic number, because the mean of its divisors is an integer number (145012).

2^1449980 is an apocalyptic number.

1449980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1449980 is an abundant number, since it is smaller than the sum of its proper divisors (2030308).

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

1449980 is a wasteful number, since it uses less digits than its factorization.

1449980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10373 (or 10371 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1449980 is about 1204.1511533026. The cubic root of 1449980 is about 113.1845992025.

It can be divided in two parts, 14 and 49980, that added together give a palindrome (49994).

The spelling of 1449980 in words is "one million, four hundred forty-nine thousand, nine hundred eighty".