398379293356 has 24 divisors (see below), whose sum is σ = 760562933760. Its totient is φ = 181076581200.

The previous prime is 398379293341. The next prime is 398379293359. The reversal of 398379293356 is 653392973893.

It is a super-2 number, since 2×398379293356² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 398379293291 and 398379293300.

It is not an unprimeable number, because it can be changed into a prime (398379293359) 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, 1884901 + ... + 2085571.

It is an arithmetic number, because the mean of its divisors is an integer number (31690122240).

Almost surely, 2^398379293356 is an apocalyptic number.

It is an amenable number.

398379293356 is a deficient number, since it is larger than the sum of its proper divisors (362183640404).

398379293356 is a wasteful number, since it uses less digits than its factorization.

398379293356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245805 (or 245803 counting only the distinct ones).

The product of its digits is 198404640, while the sum is 67.

The spelling of 398379293356 in words is "three hundred ninety-eight billion, three hundred seventy-nine million, two hundred ninety-three thousand, three hundred fifty-six".