28497950 has 48 divisors (see below), whose sum is σ = 60464880. Its totient is φ = 9899520.

The previous prime is 28497947. The next prime is 28497977. The reversal of 28497950 is 5979482.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 9761 + ... + 12339.

It is an arithmetic number, because the mean of its divisors is an integer number (1259685).

Almost surely, 2^28497950 is an apocalyptic number.

28497950 is an abundant number, since it is smaller than the sum of its proper divisors (31966930).

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

28497950 is a wasteful number, since it uses less digits than its factorization.

28497950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621 (or 2616 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 28497950 is about 5338.3471224715. The cubic root of 28497950 is about 305.4484132463.

The spelling of 28497950 in words is "twenty-eight million, four hundred ninety-seven thousand, nine hundred fifty".