398952797 has 8 divisors (see below), whose sum is σ = 413243040. Its totient is φ = 384698160.

The previous prime is 398952791. The next prime is 398952803. The reversal of 398952797 is 797259893.

It is an interprime number because it is at equal distance from previous prime (398952791) and next prime (398952803).

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 398952797 - 2⁴ = 398952781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398952791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15038 + ... + 32000.

It is an arithmetic number, because the mean of its divisors is an integer number (51655380).

Almost surely, 2^398952797 is an apocalyptic number.

It is an amenable number.

398952797 is a deficient number, since it is larger than the sum of its proper divisors (14290243).

398952797 is a wasteful number, since it uses less digits than its factorization.

398952797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17803.

The product of its digits is 8573040, while the sum is 59.

The square root of 398952797 is about 19973.8027676254. The cubic root of 398952797 is about 736.1627496550.

The spelling of 398952797 in words is "three hundred ninety-eight million, nine hundred fifty-two thousand, seven hundred ninety-seven".