339412561 has 6 divisors (see below), whose sum is σ = 358216962. Its totient is φ = 321548400.

The previous prime is 339412559. The next prime is 339412571. The reversal of 339412561 is 165214933.

It can be written as a sum of positive squares in only one way, i.e., 189227536 + 150185025 = 13756^2 + 12255^2 .

It is not a de Polignac number, because 339412561 - 2¹ = 339412559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339412511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 469740 + ... + 470461.

It is an arithmetic number, because the mean of its divisors is an integer number (59702827).

Almost surely, 2^339412561 is an apocalyptic number.

It is an amenable number.

339412561 is a deficient number, since it is larger than the sum of its proper divisors (18804401).

339412561 is an equidigital number, since it uses as much as digits as its factorization.

339412561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940239 (or 940220 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 339412561 is about 18423.1528517787. The cubic root of 339412561 is about 697.5510073479.

The spelling of 339412561 in words is "three hundred thirty-nine million, four hundred twelve thousand, five hundred sixty-one".