28340348 has 12 divisors (see below), whose sum is σ = 50805552. Its totient is φ = 13824480.

The previous prime is 28340329. The next prime is 28340383. The reversal of 28340348 is 84304382.

It is a super-2 number, since 2×28340348² = 1606350649522208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86240 + ... + 86567.

It is an arithmetic number, because the mean of its divisors is an integer number (4233796).

Almost surely, 2^28340348 is an apocalyptic number.

It is an amenable number.

28340348 is a deficient number, since it is larger than the sum of its proper divisors (22465204).

28340348 is a wasteful number, since it uses less digits than its factorization.

28340348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172852 (or 172850 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 28340348 is about 5323.5653466450. The cubic root of 28340348 is about 304.8842990333.

The spelling of 28340348 in words is "twenty-eight million, three hundred forty thousand, three hundred forty-eight".