398461384746 has 24 divisors (see below), whose sum is σ = 863356769184. Its totient is φ = 132816804840.

The previous prime is 398461384697. The next prime is 398461384771. The reversal of 398461384746 is 647483164893.

It is a happy number.

398461384746 is a `hidden beast` number, since 3 + 9 + 8 + 4 + 613 + 8 + 4 + 7 + 4 + 6 = 666.

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 11 ways as a sum of consecutive naturals, for example, 412905 + ... + 983571.

It is an arithmetic number, because the mean of its divisors is an integer number (35973198716).

Almost surely, 2^398461384746 is an apocalyptic number.

398461384746 is an abundant number, since it is smaller than the sum of its proper divisors (464895384438).

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

398461384746 is a wasteful number, since it uses less digits than its factorization.

398461384746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609466 (or 609463 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 63.

The spelling of 398461384746 in words is "three hundred ninety-eight billion, four hundred sixty-one million, three hundred eighty-four thousand, seven hundred forty-six".