16939460 has 12 divisors (see below), whose sum is σ = 35572908. Its totient is φ = 6775776.

The previous prime is 16939457. The next prime is 16939487. The reversal of 16939460 is 6493961.

It can be written as a sum of positive squares in 2 ways, for example, as 12334144 + 4605316 = 3512^2 + 2146^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423467 + ... + 423506.

It is an arithmetic number, because the mean of its divisors is an integer number (2964409).

Almost surely, 2^16939460 is an apocalyptic number.

16939460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16939460 is an abundant number, since it is smaller than the sum of its proper divisors (18633448).

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

16939460 is a wasteful number, since it uses less digits than its factorization.

16939460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846982 (or 846980 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 16939460 is about 4115.7575244419. The cubic root of 16939460 is about 256.8225697758.

The spelling of 16939460 in words is "sixteen million, nine hundred thirty-nine thousand, four hundred sixty".