398136606 has 32 divisors (see below), whose sum is σ = 914664960. Its totient is φ = 113173536.

The previous prime is 398136593. The next prime is 398136637. The reversal of 398136606 is 606631893.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15786 + ... + 32333.

It is an arithmetic number, because the mean of its divisors is an integer number (28583280).

Almost surely, 2^398136606 is an apocalyptic number.

398136606 is an abundant number, since it is smaller than the sum of its proper divisors (516528354).

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

398136606 is a wasteful number, since it uses less digits than its factorization.

398136606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48328.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 398136606 is about 19953.3607695546. The cubic root of 398136606 is about 735.6603847741.

The spelling of 398136606 in words is "three hundred ninety-eight million, one hundred thirty-six thousand, six hundred six".