28801076 has 6 divisors (see below), whose sum is σ = 50401890. Its totient is φ = 14400536.

The previous prime is 28801063. The next prime is 28801117. The reversal of 28801076 is 67010882.

It can be written as a sum of positive squares in only one way, i.e., 15288100 + 13512976 = 3910^2 + 3676^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3600131 + ... + 3600138.

It is an arithmetic number, because the mean of its divisors is an integer number (8400315).

Almost surely, 2^28801076 is an apocalyptic number.

It is an amenable number.

28801076 is a deficient number, since it is larger than the sum of its proper divisors (21600814).

28801076 is a wasteful number, since it uses less digits than its factorization.

28801076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7200273 (or 7200271 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 28801076 is about 5366.6633954441. The cubic root of 28801076 is about 306.5275902661.

The spelling of 28801076 in words is "twenty-eight million, eight hundred one thousand, seventy-six".