654946920 has 96 divisors (see below), whose sum is σ = 2197278720. Its totient is φ = 169015680.

The previous prime is 654946907. The next prime is 654946921. The reversal of 654946920 is 29649456.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (654946921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18184 + ... + 40503.

It is an arithmetic number, because the mean of its divisors is an integer number (22888320).

Almost surely, 2^654946920 is an apocalyptic number.

654946920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

654946920 is an abundant number, since it is smaller than the sum of its proper divisors (1542331800).

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

654946920 is a wasteful number, since it uses less digits than its factorization.

654946920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58735 (or 58728 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 654946920 is about 25591.9307595187. The cubic root of 654946920 is about 868.4311003158.

The spelling of 654946920 in words is "six hundred fifty-four million, nine hundred forty-six thousand, nine hundred twenty".