1449090 has 40 divisors (see below), whose sum is σ = 3898620. Its totient is φ = 386208.

The previous prime is 1449089. The next prime is 1449113. The reversal of 1449090 is 909441.

It can be written as a sum of positive squares in 2 ways, for example, as 1390041 + 59049 = 1179^2 + 243^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 85 + ... + 1704.

2^1449090 is an apocalyptic number.

1449090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1449090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1949310).

1449090 is an abundant number, since it is smaller than the sum of its proper divisors (2449530).

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

1449090 is a wasteful number, since it uses less digits than its factorization.

1449090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808 (or 1799 counting only the distinct ones).

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

The square root of 1449090 is about 1203.7815416428. The cubic root of 1449090 is about 113.1614368347.

The spelling of 1449090 in words is "one million, four hundred forty-nine thousand, ninety".