1492440 has 32 divisors (see below), whose sum is σ = 4477680. Its totient is φ = 397952.

The previous prime is 1492417. The next prime is 1492453. The reversal of 1492440 is 442941.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1492440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6099 + ... + 6338.

2^1492440 is an apocalyptic number.

1492440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1492440 is an abundant number, since it is smaller than the sum of its proper divisors (2985240).

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

1492440 is a wasteful number, since it uses less digits than its factorization.

1492440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12451 (or 12447 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1492440 is about 1221.6546156750. The cubic root of 1492440 is about 114.2787882707.

The spelling of 1492440 in words is "one million, four hundred ninety-two thousand, four hundred forty".