28374850 has 24 divisors (see below), whose sum is σ = 60317568. Its totient is φ = 9728400.

The previous prime is 28374817. The next prime is 28374851. The reversal of 28374850 is 5847382.

It is a super-2 number, since 2×28374850² = 1610264225045000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28374851) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 40186 + ... + 40885.

It is an arithmetic number, because the mean of its divisors is an integer number (2513232).

Almost surely, 2^28374850 is an apocalyptic number.

28374850 is an abundant number, since it is smaller than the sum of its proper divisors (31942718).

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

28374850 is a wasteful number, since it uses less digits than its factorization.

28374850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81090 (or 81085 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 28374850 is about 5326.8048584494. The cubic root of 28374850 is about 305.0079725588.

The spelling of 28374850 in words is "twenty-eight million, three hundred seventy-four thousand, eight hundred fifty".