338402972686 has 8 divisors (see below), whose sum is σ = 507817655784. Its totient is φ = 169130420760.

The previous prime is 338402972671. The next prime is 338402972711. The reversal of 338402972686 is 686279204833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×338402972686² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338402972686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35526840 + ... + 35536363.

It is an arithmetic number, because the mean of its divisors is an integer number (63477206973).

Almost surely, 2^338402972686 is an apocalyptic number.

338402972686 is a deficient number, since it is larger than the sum of its proper divisors (169414683098).

338402972686 is a wasteful number, since it uses less digits than its factorization.

338402972686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71065586.

The product of its (nonzero) digits is 20901888, while the sum is 58.

The spelling of 338402972686 in words is "three hundred thirty-eight billion, four hundred two million, nine hundred seventy-two thousand, six hundred eighty-six".