16039494 has 24 divisors (see below), whose sum is σ = 35951760. Its totient is φ = 5161968.

The previous prime is 16039489. The next prime is 16039511. The reversal of 16039494 is 49493061.

16039494 is a `hidden beast` number, since 1 + 603 + 9 + 49 + 4 = 666.

It is a congruent 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, 14842 + ... + 15885.

It is an arithmetic number, because the mean of its divisors is an integer number (1497990).

Almost surely, 2^16039494 is an apocalyptic number.

16039494 is an abundant number, since it is smaller than the sum of its proper divisors (19912266).

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

16039494 is a wasteful number, since it uses less digits than its factorization.

16039494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30764 (or 30761 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 16039494 is about 4004.9337073165. The cubic root of 16039494 is about 252.1913701308.

The spelling of 16039494 in words is "sixteen million, thirty-nine thousand, four hundred ninety-four".