653672420 has 24 divisors (see below), whose sum is σ = 1432396224. Its totient is φ = 250100576.

The previous prime is 653672419. The next prime is 653672431. The reversal of 653672420 is 24276356.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710054 + ... + 710973.

It is an arithmetic number, because the mean of its divisors is an integer number (59683176).

Almost surely, 2^653672420 is an apocalyptic number.

It is an amenable number.

653672420 is an abundant number, since it is smaller than the sum of its proper divisors (778723804).

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

653672420 is a wasteful number, since it uses less digits than its factorization.

653672420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421059 (or 1421057 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 653672420 is about 25567.0182070573. The cubic root of 653672420 is about 867.8674240239.

The spelling of 653672420 in words is "six hundred fifty-three million, six hundred seventy-two thousand, four hundred twenty".