339010921 has 2 divisors, whose sum is σ = 339010922. Its totient is φ = 339010920.

The previous prime is 339010877. The next prime is 339010933. The reversal of 339010921 is 129010933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271590400 + 67420521 = 16480^2 + 8211^2 .

It is a cyclic number.

It is not a de Polignac number, because 339010921 - 2¹⁵ = 338978153 is a prime.

It is a super-2 number, since 2×339010921² = 229856809114536482, which contains 22 as substring.

It is equal to p_18244315 and since 339010921 and 18244315 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 339010921.

It is not a weakly prime, because it can be changed into another prime (339010951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169505460 + 169505461.

It is an arithmetic number, because the mean of its divisors is an integer number (169505461).

Almost surely, 2^339010921 is an apocalyptic number.

It is an amenable number.

339010921 is a deficient number, since it is larger than the sum of its proper divisors (1).

339010921 is an equidigital number, since it uses as much as digits as its factorization.

339010921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 339010921 is about 18412.2492107836. The cubic root of 339010921 is about 697.2757523915.

The spelling of 339010921 in words is "three hundred thirty-nine million, ten thousand, nine hundred twenty-one".