16930428 has 48 divisors (see below), whose sum is σ = 40726560. Its totient is φ = 5472000.

The previous prime is 16930427. The next prime is 16930439. The reversal of 16930428 is 82403961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16930421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73818 + ... + 74046.

It is an arithmetic number, because the mean of its divisors is an integer number (848470).

Almost surely, 2^16930428 is an apocalyptic number.

It is an amenable number.

16930428 is an abundant number, since it is smaller than the sum of its proper divisors (23796132).

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

16930428 is a wasteful number, since it uses less digits than its factorization.

16930428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 16930428 is about 4114.6601317727. The cubic root of 16930428 is about 256.7769163362.

The spelling of 16930428 in words is "sixteen million, nine hundred thirty thousand, four hundred twenty-eight".