339121477 has 2 divisors, whose sum is σ = 339121478. Its totient is φ = 339121476.

The previous prime is 339121469. The next prime is 339121487. The reversal of 339121477 is 774121933.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285407236 + 53714241 = 16894^2 + 7329^2 .

It is a cyclic number.

It is not a de Polignac number, because 339121477 - 2³ = 339121469 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (339121487) 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 as a sum of consecutive naturals, namely, 169560738 + 169560739.

It is an arithmetic number, because the mean of its divisors is an integer number (169560739).

Almost surely, 2^339121477 is an apocalyptic number.

It is an amenable number.

339121477 is a deficient number, since it is larger than the sum of its proper divisors (1).

339121477 is an equidigital number, since it uses as much as digits as its factorization.

339121477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 37.

The square root of 339121477 is about 18415.2512065407. The cubic root of 339121477 is about 697.3515411395.

The spelling of 339121477 in words is "three hundred thirty-nine million, one hundred twenty-one thousand, four hundred seventy-seven".