16964427 has 12 divisors (see below), whose sum is σ = 22892856. Its totient is φ = 11174400.

The previous prime is 16964393. The next prime is 16964443. The reversal of 16964427 is 72446961.

It is a happy number.

It is not a de Polignac number, because 16964427 - 2¹⁰ = 16963403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16964327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27927 + ... + 28527.

It is an arithmetic number, because the mean of its divisors is an integer number (1907738).

Almost surely, 2^16964427 is an apocalyptic number.

16964427 is a deficient number, since it is larger than the sum of its proper divisors (5928429).

16964427 is an frugal number, since it uses more digits than its factorization.

16964427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 701 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 16964427 is about 4118.7895066391. The cubic root of 16964427 is about 256.9486844104.

It can be divided in two parts, 16964 and 427, that added together give a triangular number (17391 = T₁₈₆).

The spelling of 16964427 in words is "sixteen million, nine hundred sixty-four thousand, four hundred twenty-seven".