28250946 has 24 divisors (see below), whose sum is σ = 63872640. Its totient is φ = 9007416.

The previous prime is 28250933. The next prime is 28250977. The reversal of 28250946 is 64905282.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28250946.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33706 + ... + 34533.

It is an arithmetic number, because the mean of its divisors is an integer number (2661360).

Almost surely, 2^28250946 is an apocalyptic number.

28250946 is an abundant number, since it is smaller than the sum of its proper divisors (35621694).

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

28250946 is a wasteful number, since it uses less digits than its factorization.

28250946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68270 (or 68267 counting only the distinct ones).

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

The square root of 28250946 is about 5315.1618978165. The cubic root of 28250946 is about 304.5633669801.

The spelling of 28250946 in words is "twenty-eight million, two hundred fifty thousand, nine hundred forty-six".