28751950 has 36 divisors (see below), whose sum is σ = 54927288. Its totient is φ = 11197200.

The previous prime is 28751941. The next prime is 28751969. The reversal of 28751950 is 5915782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 92295 + ... + 92605.

It is an arithmetic number, because the mean of its divisors is an integer number (1525758).

Almost surely, 2^28751950 is an apocalyptic number.

28751950 is a deficient number, since it is larger than the sum of its proper divisors (26175338).

28751950 is a wasteful number, since it uses less digits than its factorization.

28751950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 28751950 is about 5362.0844827362. The cubic root of 28751950 is about 306.3532096947.

The spelling of 28751950 in words is "twenty-eight million, seven hundred fifty-one thousand, nine hundred fifty".