28562976 has 96 divisors (see below), whose sum is σ = 89752320. Its totient is φ = 8785152.

The previous prime is 28562969. The next prime is 28562977. The reversal of 28562976 is 67926582.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (28562977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9961 + ... + 12503.

It is an arithmetic number, because the mean of its divisors is an integer number (934920).

Almost surely, 2^28562976 is an apocalyptic number.

28562976 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28562976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44876160).

28562976 is an abundant number, since it is smaller than the sum of its proper divisors (61189344).

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

28562976 is a wasteful number, since it uses less digits than its factorization.

28562976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575 (or 2561 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 28562976 is about 5344.4341141041. The cubic root of 28562976 is about 305.6805586075.

It can be divided in two parts, 2856 and 2976, that added together give a cube (5832 = 18³).

The spelling of 28562976 in words is "twenty-eight million, five hundred sixty-two thousand, nine hundred seventy-six".