398878162034 has 16 divisors (see below), whose sum is σ = 652719448800. Its totient is φ = 181305552960.

The previous prime is 398878162031. The next prime is 398878162057. The reversal of 398878162034 is 430261878893.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (398878162031) 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, 2650442 + ... + 2796890.

It is an arithmetic number, because the mean of its divisors is an integer number (40794965550).

Almost surely, 2^398878162034 is an apocalyptic number.

398878162034 is a deficient number, since it is larger than the sum of its proper divisors (253841286766).

398878162034 is a wasteful number, since it uses less digits than its factorization.

398878162034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270265.

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 398878162034 in words is "three hundred ninety-eight billion, eight hundred seventy-eight million, one hundred sixty-two thousand, thirty-four".