657483393 has 16 divisors (see below), whose sum is σ = 1003013120. Its totient is φ = 375279696.

The previous prime is 657483383. The next prime is 657483397. The reversal of 657483393 is 393384756.

It is not a de Polignac number, because 657483393 - 2¹³ = 657475201 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (657483397) 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, 1788 + ... + 36306.

It is an arithmetic number, because the mean of its divisors is an integer number (62688320).

Almost surely, 2^657483393 is an apocalyptic number.

It is an amenable number.

657483393 is a deficient number, since it is larger than the sum of its proper divisors (345529727).

657483393 is a wasteful number, since it uses less digits than its factorization.

657483393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35436.

The product of its digits is 1632960, while the sum is 48.

The square root of 657483393 is about 25641.4389806813. The cubic root of 657483393 is about 869.5507404340.

The spelling of 657483393 in words is "six hundred fifty-seven million, four hundred eighty-three thousand, three hundred ninety-three".