398854074973 has 16 divisors (see below), whose sum is σ = 422309240320. Its totient is φ = 376176830400.

The previous prime is 398854074943. The next prime is 398854074991. The reversal of 398854074973 is 379470458893.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-398854074973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 398854074899 and 398854074908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398854074943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761415 + ... + 1173652.

It is an arithmetic number, because the mean of its divisors is an integer number (26394327520).

Almost surely, 2^398854074973 is an apocalyptic number.

It is an amenable number.

398854074973 is a deficient number, since it is larger than the sum of its proper divisors (23455165347).

398854074973 is a wasteful number, since it uses less digits than its factorization.

398854074973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935268.

The product of its (nonzero) digits is 182891520, while the sum is 67.

The spelling of 398854074973 in words is "three hundred ninety-eight billion, eight hundred fifty-four million, seventy-four thousand, nine hundred seventy-three".