28894960 has 40 divisors (see below), whose sum is σ = 67428720. Its totient is φ = 11515392.

The previous prime is 28894939. The next prime is 28894967. The reversal of 28894960 is 6949882.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 28894960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28894967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29844 + ... + 30796.

It is an arithmetic number, because the mean of its divisors is an integer number (1685718).

Almost surely, 2^28894960 is an apocalyptic number.

28894960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28894960 is an abundant number, since it is smaller than the sum of its proper divisors (38533760).

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

28894960 is a wasteful number, since it uses less digits than its factorization.

28894960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1339 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 28894960 is about 5375.4032406881. The cubic root of 28894960 is about 306.8602956965.

The spelling of 28894960 in words is "twenty-eight million, eight hundred ninety-four thousand, nine hundred sixty".