338479897 has 6 divisors (see below), whose sum is σ = 393741978. Its totient is φ = 290125584.

The previous prime is 338479879. The next prime is 338479901. The reversal of 338479897 is 798974833.

It can be written as a sum of positive squares in only one way, i.e., 338412816 + 67081 = 18396^2 + 259^2 .

It is not a de Polignac number, because 338479897 - 2¹¹ = 338477849 is a prime.

It is a super-2 number, since 2×338479897² = 229137281346261218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338479807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3453828 + ... + 3453925.

It is an arithmetic number, because the mean of its divisors is an integer number (65623663).

Almost surely, 2^338479897 is an apocalyptic number.

It is an amenable number.

338479897 is a deficient number, since it is larger than the sum of its proper divisors (55262081).

338479897 is an equidigital number, since it uses as much as digits as its factorization.

338479897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6907767 (or 6907760 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 58.

The square root of 338479897 is about 18397.8231592762. The cubic root of 338479897 is about 696.9114930771.

The spelling of 338479897 in words is "three hundred thirty-eight million, four hundred seventy-nine thousand, eight hundred ninety-seven".