655238793 has 16 divisors (see below), whose sum is σ = 953568000. Its totient is φ = 396908880.

The previous prime is 655238713. The next prime is 655238833. The reversal of 655238793 is 397832556.

It is a happy number.

It is not a de Polignac number, because 655238793 - 2¹⁴ = 655222409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (655238713) 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 15 ways as a sum of consecutive naturals, for example, 81258 + ... + 88956.

It is an arithmetic number, because the mean of its divisors is an integer number (59598000).

Almost surely, 2^655238793 is an apocalyptic number.

It is an amenable number.

655238793 is a deficient number, since it is larger than the sum of its proper divisors (298329207).

655238793 is a wasteful number, since it uses less digits than its factorization.

655238793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10292.

The product of its digits is 1360800, while the sum is 48.

The square root of 655238793 is about 25597.6325663136. The cubic root of 655238793 is about 868.5600847874.

The spelling of 655238793 in words is "six hundred fifty-five million, two hundred thirty-eight thousand, seven hundred ninety-three".