398937019802 has 16 divisors (see below), whose sum is σ = 599880678624. Its totient is φ = 198977142000.

The previous prime is 398937019801. The next prime is 398937019843. The reversal of 398937019802 is 208910739893.

It is not an unprimeable number, because it can be changed into a prime (398937019801) 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, 2242652 + ... + 2413992.

It is an arithmetic number, because the mean of its divisors is an integer number (37492542414).

Almost surely, 2^398937019802 is an apocalyptic number.

398937019802 is a deficient number, since it is larger than the sum of its proper divisors (200943658822).

398937019802 is a wasteful number, since it uses less digits than its factorization.

398937019802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174205.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The spelling of 398937019802 in words is "three hundred ninety-eight billion, nine hundred thirty-seven million, nineteen thousand, eight hundred two".