28250964 has 48 divisors (see below), whose sum is σ = 83708800. Its totient is φ = 8071488.

The previous prime is 28250933. The next prime is 28250977. The reversal of 28250964 is 46905282.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17929 + ... + 19440.

Almost surely, 2^28250964 is an apocalyptic number.

It is an amenable number.

28250964 is an abundant number, since it is smaller than the sum of its proper divisors (55457836).

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

28250964 is a wasteful number, since it uses less digits than its factorization.

28250964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37389 (or 37381 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 28250964 is about 5315.1635910854. The cubic root of 28250964 is about 304.5634316639.

The spelling of 28250964 in words is "twenty-eight million, two hundred fifty thousand, nine hundred sixty-four".