398659095 has 48 divisors (see below), whose sum is σ = 743738112. Its totient is φ = 196807680.

The previous prime is 398659087. The next prime is 398659097. The reversal of 398659095 is 590956893.

It is not a de Polignac number, because 398659095 - 2³ = 398659087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398659097) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42394 + ... + 50936.

It is an arithmetic number, because the mean of its divisors is an integer number (15494544).

Almost surely, 2^398659095 is an apocalyptic number.

398659095 is a deficient number, since it is larger than the sum of its proper divisors (345079017).

398659095 is a wasteful number, since it uses less digits than its factorization.

398659095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8632 (or 8629 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 54.

The square root of 398659095 is about 19966.4492336519. The cubic root of 398659095 is about 735.9820553035.

The spelling of 398659095 in words is "three hundred ninety-eight million, six hundred fifty-nine thousand, ninety-five".