338449847 has 16 divisors (see below), whose sum is σ = 355891200. Its totient is φ = 321472800.

The previous prime is 338449843. The next prime is 338449877. The reversal of 338449847 is 748944833.

It is a cyclic number.

It is not a de Polignac number, because 338449847 - 2² = 338449843 is a prime.

It is a super-2 number, since 2×338449847² = 229096597868646818, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 338449795 and 338449804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338449843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511697 + ... + 512357.

It is an arithmetic number, because the mean of its divisors is an integer number (22243200).

Almost surely, 2^338449847 is an apocalyptic number.

338449847 is a deficient number, since it is larger than the sum of its proper divisors (17441353).

338449847 is a wasteful number, since it uses less digits than its factorization.

338449847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974.

The product of its digits is 2322432, while the sum is 50.

The square root of 338449847 is about 18397.0064684448. The cubic root of 338449847 is about 696.8908687010.

The spelling of 338449847 in words is "three hundred thirty-eight million, four hundred forty-nine thousand, eight hundred forty-seven".