28364346 has 24 divisors (see below), whose sum is σ = 62056800. Its totient is φ = 9362376.

The previous prime is 28364339. The next prime is 28364353. The reversal of 28364346 is 64346382.

It is a happy number.

28364346 is a `hidden beast` number, since 2 + 8 + 3 + 643 + 4 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (28364339) and next prime (28364353).

It is a super-2 number, since 2×28364346² = 1609072248015432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28364346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5796 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (2585700).

Almost surely, 2^28364346 is an apocalyptic number.

28364346 is an abundant number, since it is smaller than the sum of its proper divisors (33692454).

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

28364346 is a wasteful number, since it uses less digits than its factorization.

28364346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15410 (or 15407 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 28364346 is about 5325.8188102864. The cubic root of 28364346 is about 304.9703312536.

The spelling of 28364346 in words is "twenty-eight million, three hundred sixty-four thousand, three hundred forty-six".