28372628 has 12 divisors (see below), whose sum is σ = 50494080. Its totient is φ = 13945752.

The previous prime is 28372627. The next prime is 28372651. The reversal of 28372628 is 82627382.

It is a junction number, because it is equal to n+sod(n) for n = 28372591 and 28372600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28372621) 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, 59876 + ... + 60347.

It is an arithmetic number, because the mean of its divisors is an integer number (4207840).

Almost surely, 2^28372628 is an apocalyptic number.

It is an amenable number.

28372628 is a deficient number, since it is larger than the sum of its proper divisors (22121452).

28372628 is a wasteful number, since it uses less digits than its factorization.

28372628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120286 (or 120284 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 28372628 is about 5326.5962865605. The cubic root of 28372628 is about 305.0000107498. Note that the first 4 decimals are identical.

The spelling of 28372628 in words is "twenty-eight million, three hundred seventy-two thousand, six hundred twenty-eight".