1540492 has 12 divisors (see below), whose sum is σ = 2705976. Its totient is φ = 767360.

The previous prime is 1540481. The next prime is 1540499. The reversal of 1540492 is 2940451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867 + ... + 1957.

It is an arithmetic number, because the mean of its divisors is an integer number (225498).

2^1540492 is an apocalyptic number.

It is an amenable number.

1540492 is a deficient number, since it is larger than the sum of its proper divisors (1165484).

1540492 is a wasteful number, since it uses less digits than its factorization.

1540492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448 (or 1446 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1540492 is about 1241.1655812179. The cubic root of 1540492 is about 115.4923315936.

The spelling of 1540492 in words is "one million, five hundred forty thousand, four hundred ninety-two".