28462380 has 48 divisors (see below), whose sum is σ = 83892480. Its totient is φ = 7190208.

The previous prime is 28462333. The next prime is 28462381. The reversal of 28462380 is 8326482.

It is not an unprimeable number, because it can be changed into a prime (28462381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11344 + ... + 13623.

It is an arithmetic number, because the mean of its divisors is an integer number (1747760).

Almost surely, 2^28462380 is an apocalyptic number.

28462380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28462380 is an abundant number, since it is smaller than the sum of its proper divisors (55430100).

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

28462380 is a wasteful number, since it uses less digits than its factorization.

28462380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24998 (or 24996 counting only the distinct ones).

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

The square root of 28462380 is about 5335.0145266906. The cubic root of 28462380 is about 305.3212775105.

The spelling of 28462380 in words is "twenty-eight million, four hundred sixty-two thousand, three hundred eighty".