28350984 has 32 divisors (see below), whose sum is σ = 71089920. Its totient is φ = 9422016.

The previous prime is 28350979. The next prime is 28350989. The reversal of 28350984 is 48905382.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28350979) and next prime (28350989).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (28350989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7369 + ... + 10535.

It is an arithmetic number, because the mean of its divisors is an integer number (2221560).

Almost surely, 2^28350984 is an apocalyptic number.

28350984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28350984 is an abundant number, since it is smaller than the sum of its proper divisors (42738936).

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

28350984 is a wasteful number, since it uses less digits than its factorization.

28350984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549 (or 3545 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 28350984 is about 5324.5642075197. The cubic root of 28350984 is about 304.9224348132.

The spelling of 28350984 in words is "twenty-eight million, three hundred fifty thousand, nine hundred eighty-four".