28356052 has 12 divisors (see below), whose sum is σ = 50014720. Its totient is φ = 14066136.

The previous prime is 28356043. The next prime is 28356059. The reversal of 28356052 is 25065382.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28356059) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 27402 + ... + 28417.

Almost surely, 2^28356052 is an apocalyptic number.

It is an amenable number.

28356052 is a deficient number, since it is larger than the sum of its proper divisors (21658668).

28356052 is a wasteful number, since it uses less digits than its factorization.

28356052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55950 (or 55948 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 28356052 is about 5325.0400937458. The cubic root of 28356052 is about 304.9406029637.

The spelling of 28356052 in words is "twenty-eight million, three hundred fifty-six thousand, fifty-two".