28620960 has 48 divisors (see below), whose sum is σ = 90157536. Its totient is φ = 7632128.

The previous prime is 28620953. The next prime is 28620983. The reversal of 28620960 is 6902682.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 29334 + ... + 30293.

It is an arithmetic number, because the mean of its divisors is an integer number (1878282).

Almost surely, 2^28620960 is an apocalyptic number.

28620960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28620960 is an abundant number, since it is smaller than the sum of its proper divisors (61536576).

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

28620960 is a wasteful number, since it uses less digits than its factorization.

28620960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59645 (or 59637 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 28620960 is about 5349.8560728304. The cubic root of 28620960 is about 305.8872667734.

The spelling of 28620960 in words is "twenty-eight million, six hundred twenty thousand, nine hundred sixty".