16938494 has 32 divisors (see below), whose sum is σ = 28576800. Its totient is φ = 7490560.

The previous prime is 16938479. The next prime is 16938499. The reversal of 16938494 is 49483961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16938499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40217 + ... + 40635.

It is an arithmetic number, because the mean of its divisors is an integer number (893025).

Almost surely, 2^16938494 is an apocalyptic number.

16938494 is a deficient number, since it is larger than the sum of its proper divisors (11638306).

16938494 is a wasteful number, since it uses less digits than its factorization.

16938494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508.

The product of its digits is 186624, while the sum is 44.

The square root of 16938494 is about 4115.6401689166. The cubic root of 16938494 is about 256.8176877760.

The spelling of 16938494 in words is "sixteen million, nine hundred thirty-eight thousand, four hundred ninety-four".