28620760 has 32 divisors (see below), whose sum is σ = 73596960. Its totient is φ = 9812736.

The previous prime is 28620737. The next prime is 28620797. The reversal of 28620760 is 6702682.

It is a happy number.

It is a super-3 number, since 3×28620760³ (a number of 23 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50829 + ... + 51388.

It is an arithmetic number, because the mean of its divisors is an integer number (2299905).

Almost surely, 2^28620760 is an apocalyptic number.

28620760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28620760 is an abundant number, since it is smaller than the sum of its proper divisors (44976200).

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

28620760 is a wasteful number, since it uses less digits than its factorization.

28620760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102235 (or 102231 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 28620760 is about 5349.8373807061. The cubic root of 28620760 is about 305.8865542699.

The spelling of 28620760 in words is "twenty-eight million, six hundred twenty thousand, seven hundred sixty".