28164351 has 16 divisors (see below), whose sum is σ = 39744000. Its totient is φ = 17703840.

The previous prime is 28164347. The next prime is 28164361. The reversal of 28164351 is 15346182.

It is not a de Polignac number, because 28164351 - 2² = 28164347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28164361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2025 + ... + 7773.

It is an arithmetic number, because the mean of its divisors is an integer number (2484000).

Almost surely, 2^28164351 is an apocalyptic number.

28164351 is a deficient number, since it is larger than the sum of its proper divisors (11579649).

28164351 is a wasteful number, since it uses less digits than its factorization.

28164351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5846.

The product of its digits is 5760, while the sum is 30.

The square root of 28164351 is about 5307.0096099404. The cubic root of 28164351 is about 304.2518652265.

The spelling of 28164351 in words is "twenty-eight million, one hundred sixty-four thousand, three hundred fifty-one".