15494994 has 24 divisors (see below), whose sum is σ = 35340240. Its totient is φ = 4893048.

The previous prime is 15494977. The next prime is 15495017. The reversal of 15494994 is 49949451.

15494994 is a `hidden beast` number, since 154 + 9 + 499 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22312 + ... + 22995.

It is an arithmetic number, because the mean of its divisors is an integer number (1472510).

Almost surely, 2^15494994 is an apocalyptic number.

15494994 is an abundant number, since it is smaller than the sum of its proper divisors (19845246).

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

15494994 is a wasteful number, since it uses less digits than its factorization.

15494994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45334 (or 45331 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 15494994 is about 3936.3681230291. The cubic root of 15494994 is about 249.3047027061.

The spelling of 15494994 in words is "fifteen million, four hundred ninety-four thousand, nine hundred ninety-four".