28492344 has 32 divisors (see below), whose sum is σ = 79146000. Its totient is φ = 9497376.

The previous prime is 28492333. The next prime is 28492361. The reversal of 28492344 is 44329482.

It is a super-2 number, since 2×28492344² = 1623627333228672, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 28492299 and 28492308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65739 + ... + 66170.

Almost surely, 2^28492344 is an apocalyptic number.

28492344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28492344 is an abundant number, since it is smaller than the sum of its proper divisors (50653656).

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

28492344 is a wasteful number, since it uses less digits than its factorization.

28492344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131924 (or 131914 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 28492344 is about 5337.8220277563. The cubic root of 28492344 is about 305.4283830793.

The spelling of 28492344 in words is "twenty-eight million, four hundred ninety-two thousand, three hundred forty-four".