16939862 has 4 divisors (see below), whose sum is σ = 25409796. Its totient is φ = 8469930.

The previous prime is 16939861. The next prime is 16939889. The reversal of 16939862 is 26893961.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16939861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4234964 + ... + 4234967.

It is an arithmetic number, because the mean of its divisors is an integer number (6352449).

Almost surely, 2^16939862 is an apocalyptic number.

16939862 is a deficient number, since it is larger than the sum of its proper divisors (8469934).

16939862 is an equidigital number, since it uses as much as digits as its factorization.

16939862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8469933.

The product of its digits is 139968, while the sum is 44.

The square root of 16939862 is about 4115.8063608484. The cubic root of 16939862 is about 256.8246013607.

The spelling of 16939862 in words is "sixteen million, nine hundred thirty-nine thousand, eight hundred sixty-two".