398989269662 has 48 divisors (see below), whose sum is σ = 640589860800. Its totient is φ = 186153710400.

The previous prime is 398989269661. The next prime is 398989269671. The reversal of 398989269662 is 266962989893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398989269661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45756539 + ... + 45765257.

It is an arithmetic number, because the mean of its divisors is an integer number (13345622100).

Almost surely, 2^398989269662 is an apocalyptic number.

398989269662 is a deficient number, since it is larger than the sum of its proper divisors (241600591138).

398989269662 is a wasteful number, since it uses less digits than its factorization.

398989269662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9633 (or 9602 counting only the distinct ones).

The product of its digits is 1088391168, while the sum is 77.

The spelling of 398989269662 in words is "three hundred ninety-eight billion, nine hundred eighty-nine million, two hundred sixty-nine thousand, six hundred sixty-two".