617713398 has 32 divisors (see below), whose sum is σ = 1420034400. Its totient is φ = 198803808.

The previous prime is 617713391. The next prime is 617713417. The reversal of 617713398 is 893317716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617713391) 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, 195661 + ... + 198792.

It is an arithmetic number, because the mean of its divisors is an integer number (44376075).

Almost surely, 2^617713398 is an apocalyptic number.

617713398 is an abundant number, since it is smaller than the sum of its proper divisors (802321002).

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

617713398 is a wasteful number, since it uses less digits than its factorization.

617713398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394493 (or 394487 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 617713398 is about 24853.8407092345. The cubic root of 617713398 is about 851.6523328576.

The spelling of 617713398 in words is "six hundred seventeen million, seven hundred thirteen thousand, three hundred ninety-eight".