28762464 has 48 divisors (see below), whose sum is σ = 76939632. Its totient is φ = 9404928.

The previous prime is 28762457. The next prime is 28762507. The reversal of 28762464 is 46426782.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2262 + ... + 7914.

It is an arithmetic number, because the mean of its divisors is an integer number (1602909).

Almost surely, 2^28762464 is an apocalyptic number.

28762464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28762464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38469816).

28762464 is an abundant number, since it is smaller than the sum of its proper divisors (48177168).

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

28762464 is a wasteful number, since it uses less digits than its factorization.

28762464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5719 (or 5711 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 28762464 is about 5363.0647954318. The cubic root of 28762464 is about 306.3905475113.

The spelling of 28762464 in words is "twenty-eight million, seven hundred sixty-two thousand, four hundred sixty-four".