28896772 has 24 divisors (see below), whose sum is σ = 51448320. Its totient is φ = 14199840.

The previous prime is 28896761. The next prime is 28896779. The reversal of 28896772 is 27769882.

It is not an unprimeable number, because it can be changed into a prime (28896779) 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, 83103 + ... + 83449.

It is an arithmetic number, because the mean of its divisors is an integer number (2143680).

Almost surely, 2^28896772 is an apocalyptic number.

It is an amenable number.

28896772 is a deficient number, since it is larger than the sum of its proper divisors (22551548).

28896772 is a wasteful number, since it uses less digits than its factorization.

28896772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 649 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The square root of 28896772 is about 5375.5717835408. The cubic root of 28896772 is about 306.8667099551.

The spelling of 28896772 in words is "twenty-eight million, eight hundred ninety-six thousand, seven hundred seventy-two".