398977235 has 8 divisors (see below), whose sum is σ = 480314016. Its totient is φ = 318154240.

The previous prime is 398977211. The next prime is 398977237. The reversal of 398977235 is 532779893.

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

It is not a de Polignac number, because 398977235 - 2⁸ = 398976979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398977237) 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, 126734 + ... + 129843.

It is an arithmetic number, because the mean of its divisors is an integer number (60039252).

Almost surely, 2^398977235 is an apocalyptic number.

398977235 is a deficient number, since it is larger than the sum of its proper divisors (81336781).

398977235 is a wasteful number, since it uses less digits than its factorization.

398977235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256893.

The product of its digits is 2857680, while the sum is 53.

The square root of 398977235 is about 19974.4145095670. The cubic root of 398977235 is about 736.1777806546.

The spelling of 398977235 in words is "three hundred ninety-eight million, nine hundred seventy-seven thousand, two hundred thirty-five".