28164692 has 12 divisors (see below), whose sum is σ = 49330260. Its totient is φ = 14070336.

The previous prime is 28164691. The next prime is 28164749. The reversal of 28164692 is 29646182.

It can be written as a sum of positive squares in 2 ways, for example, as 3701776 + 24462916 = 1924^2 + 4946^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28164691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4184 + ... + 8592.

It is an arithmetic number, because the mean of its divisors is an integer number (4110855).

Almost surely, 2^28164692 is an apocalyptic number.

It is an amenable number.

28164692 is a deficient number, since it is larger than the sum of its proper divisors (21165568).

28164692 is a wasteful number, since it uses less digits than its factorization.

28164692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010 (or 6008 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 28164692 is about 5307.0417371639. The cubic root of 28164692 is about 304.2530931318.

The spelling of 28164692 in words is "twenty-eight million, one hundred sixty-four thousand, six hundred ninety-two".