28351652 has 12 divisors (see below), whose sum is σ = 56703360. Its totient is φ = 12150696.

The previous prime is 28351643. The next prime is 28351703. The reversal of 28351652 is 25615382.

28351652 is an admirable number.

It is a super-2 number, since 2×28351652² = 1607632342258208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506252 + ... + 506307.

It is an arithmetic number, because the mean of its divisors is an integer number (4725280).

Almost surely, 2^28351652 is an apocalyptic number.

It is an amenable number.

28351652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28351652 is a wasteful number, since it uses less digits than its factorization.

28351652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012570 (or 1012568 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 28351652 is about 5324.6269352885. The cubic root of 28351652 is about 304.9248296341.

The spelling of 28351652 in words is "twenty-eight million, three hundred fifty-one thousand, six hundred fifty-two".