654215472 has 60 divisors (see below), whose sum is σ = 1833279240. Its totient is φ = 217787904.

The previous prime is 654215453. The next prime is 654215477. The reversal of 654215472 is 274512456.

It is a happy number.

654215472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (654215477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128104 + ... + 133112.

It is an arithmetic number, because the mean of its divisors is an integer number (30554654).

Almost surely, 2^654215472 is an apocalyptic number.

It is an amenable number.

654215472 is an abundant number, since it is smaller than the sum of its proper divisors (1179063768).

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

654215472 is a wasteful number, since it uses less digits than its factorization.

654215472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930 (or 5921 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 654215472 is about 25577.6361691224. The cubic root of 654215472 is about 868.1076904901.

The spelling of 654215472 in words is "six hundred fifty-four million, two hundred fifteen thousand, four hundred seventy-two".