398560683 has 8 divisors (see below), whose sum is σ = 532554048. Its totient is φ = 265137224.

The previous prime is 398560661. The next prime is 398560691. The reversal of 398560683 is 386065893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 398560683 - 2⁹ = 398560171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (398560783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140841 + ... + 143642.

It is an arithmetic number, because the mean of its divisors is an integer number (66569256).

Almost surely, 2^398560683 is an apocalyptic number.

398560683 is a deficient number, since it is larger than the sum of its proper divisors (133993365).

398560683 is a wasteful number, since it uses less digits than its factorization.

398560683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284953.

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 398560683 is about 19963.9846473594. The cubic root of 398560683 is about 735.9214894151.

The spelling of 398560683 in words is "three hundred ninety-eight million, five hundred sixty thousand, six hundred eighty-three".