657422084 has 48 divisors (see below), whose sum is σ = 1311399936. Its totient is φ = 285655200.

The previous prime is 657422081. The next prime is 657422099. The reversal of 657422084 is 480224756.

It is not an unprimeable number, because it can be changed into a prime (657422081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110309 + ... + 116115.

It is an arithmetic number, because the mean of its divisors is an integer number (27320832).

Almost surely, 2^657422084 is an apocalyptic number.

It is an amenable number.

657422084 is a deficient number, since it is larger than the sum of its proper divisors (653977852).

657422084 is a wasteful number, since it uses less digits than its factorization.

657422084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5936 (or 5934 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 657422084 is about 25640.2434465822. The cubic root of 657422084 is about 869.5237116431.

The spelling of 657422084 in words is "six hundred fifty-seven million, four hundred twenty-two thousand, eighty-four".