28358352 has 60 divisors (see below), whose sum is σ = 86583744. Its totient is φ = 8592960.

The previous prime is 28358327. The next prime is 28358357. The reversal of 28358352 is 25385382.

28358352 is a `hidden beast` number, since 28 + 3 + 583 + 52 = 666.

It is a super-2 number, since 2×28358352² = 1608392256311808, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28358357) 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, 7368 + ... + 10535.

Almost surely, 2^28358352 is an apocalyptic number.

28358352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28358352 is an abundant number, since it is smaller than the sum of its proper divisors (58225392).

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

28358352 is a wasteful number, since it uses less digits than its factorization.

28358352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17928 (or 17919 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 28358352 is about 5325.2560501820. The cubic root of 28358352 is about 304.9488474638.

The spelling of 28358352 in words is "twenty-eight million, three hundred fifty-eight thousand, three hundred fifty-two".