28862340 has 48 divisors (see below), whose sum is σ = 87033408. Its totient is φ = 7104384.

The previous prime is 28862329. The next prime is 28862359. The reversal of 28862340 is 4326882.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17722 + ... + 19281.

It is an arithmetic number, because the mean of its divisors is an integer number (1813196).

Almost surely, 2^28862340 is an apocalyptic number.

28862340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28862340 is an abundant number, since it is smaller than the sum of its proper divisors (58171068).

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

28862340 is a wasteful number, since it uses less digits than its factorization.

28862340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37028 (or 37026 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 28862340 is about 5372.3681928922. The cubic root of 28862340 is about 306.7447789888.

The spelling of 28862340 in words is "twenty-eight million, eight hundred sixty-two thousand, three hundred forty".