339121897 has 4 divisors (see below), whose sum is σ = 339802000. Its totient is φ = 338441796.

The previous prime is 339121889. The next prime is 339121919. The reversal of 339121897 is 798121933.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 339121897 - 2³ = 339121889 is a prime.

It is a super-2 number, since 2×339121897² = 230007322049757218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (339121817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339303 + ... + 340300.

It is an arithmetic number, because the mean of its divisors is an integer number (84950500).

Almost surely, 2^339121897 is an apocalyptic number.

It is an amenable number.

339121897 is a deficient number, since it is larger than the sum of its proper divisors (680103).

339121897 is an equidigital number, since it uses as much as digits as its factorization.

339121897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680102.

The product of its digits is 81648, while the sum is 43.

The square root of 339121897 is about 18415.2626101286. The cubic root of 339121897 is about 697.3518290280.

The spelling of 339121897 in words is "three hundred thirty-nine million, one hundred twenty-one thousand, eight hundred ninety-seven".