653670420 has 48 divisors (see below), whose sum is σ = 1971070080. Its totient is φ = 160903296.

The previous prime is 653670377. The next prime is 653670439. The reversal of 653670420 is 24076356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418240 + ... + 419799.

It is an arithmetic number, because the mean of its divisors is an integer number (41063960).

Almost surely, 2^653670420 is an apocalyptic number.

653670420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

653670420 is an abundant number, since it is smaller than the sum of its proper divisors (1317399660).

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

653670420 is a wasteful number, since it uses less digits than its factorization.

653670420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838064 (or 838062 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 653670420 is about 25566.9790941362. The cubic root of 653670420 is about 867.8665389034.

The spelling of 653670420 in words is "six hundred fifty-three million, six hundred seventy thousand, four hundred twenty".