28865076 has 48 divisors (see below), whose sum is σ = 69271104. Its totient is φ = 9351936.

The previous prime is 28865051. The next prime is 28865087. The reversal of 28865076 is 67056882.

It is a super-2 number, since 2×28865076² = 1666385224971552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72510 + ... + 72906.

It is an arithmetic number, because the mean of its divisors is an integer number (1443148).

Almost surely, 2^28865076 is an apocalyptic number.

It is an amenable number.

28865076 is an abundant number, since it is smaller than the sum of its proper divisors (40406028).

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

28865076 is a wasteful number, since it uses less digits than its factorization.

28865076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 28865076 is about 5372.6228231656. The cubic root of 28865076 is about 306.7544712868.

The spelling of 28865076 in words is "twenty-eight million, eight hundred sixty-five thousand, seventy-six".