338661776 has 20 divisors (see below), whose sum is σ = 690692400. Its totient is φ = 160418592.

The previous prime is 338661767. The next prime is 338661781. The reversal of 338661776 is 677166833.

It is a super-2 number, since 2×338661776² = 229383597046948352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338661776.

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, 556706 + ... + 557313.

It is an arithmetic number, because the mean of its divisors is an integer number (34534620).

Almost surely, 2^338661776 is an apocalyptic number.

It is an amenable number.

338661776 is an abundant number, since it is smaller than the sum of its proper divisors (352030624).

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

338661776 is a wasteful number, since it uses less digits than its factorization.

338661776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114046 (or 1114040 counting only the distinct ones).

The product of its digits is 762048, while the sum is 47.

The square root of 338661776 is about 18402.7654443565. The cubic root of 338661776 is about 697.0362970119.

The spelling of 338661776 in words is "three hundred thirty-eight million, six hundred sixty-one thousand, seven hundred seventy-six".