16947934 has 12 divisors (see below), whose sum is σ = 26032536. Its totient is φ = 8275092.

The previous prime is 16947923. The next prime is 16947967. The reversal of 16947934 is 43974961.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1407 + ... + 5989.

It is an arithmetic number, because the mean of its divisors is an integer number (2169378).

Almost surely, 2^16947934 is an apocalyptic number.

16947934 is a deficient number, since it is larger than the sum of its proper divisors (9084602).

16947934 is an equidigital number, since it uses as much as digits as its factorization.

16947934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671 (or 4628 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 16947934 is about 4116.7868538461. The cubic root of 16947934 is about 256.8653879777.

The spelling of 16947934 in words is "sixteen million, nine hundred forty-seven thousand, nine hundred thirty-four".