338779881 has 32 divisors (see below), whose sum is σ = 562339200. Its totient is φ = 199765440.

The previous prime is 338779879. The next prime is 338779891. The reversal of 338779881 is 188977833.

It is not a de Polignac number, because 338779881 - 2¹ = 338779879 is a prime.

It is a super-2 number, since 2×338779881² = 229543615540748322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338779891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4426 + ... + 26403.

It is an arithmetic number, because the mean of its divisors is an integer number (17573100).

Almost surely, 2^338779881 is an apocalyptic number.

It is an amenable number.

338779881 is a deficient number, since it is larger than the sum of its proper divisors (223559319).

338779881 is a wasteful number, since it uses less digits than its factorization.

338779881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30886 (or 30880 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 338779881 is about 18405.9740573543. The cubic root of 338779881 is about 697.1173158038.

The spelling of 338779881 in words is "three hundred thirty-eight million, seven hundred seventy-nine thousand, eight hundred eighty-one".