339153421 has 2 divisors, whose sum is σ = 339153422. Its totient is φ = 339153420.

The previous prime is 339153379. The next prime is 339153431. The reversal of 339153421 is 124351933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310112100 + 29041321 = 17610^2 + 5389^2 .

It is a cyclic number.

It is not a de Polignac number, because 339153421 - 2¹⁷ = 339022349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (339153431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169576710 + 169576711.

It is an arithmetic number, because the mean of its divisors is an integer number (169576711).

Almost surely, 2^339153421 is an apocalyptic number.

It is an amenable number.

339153421 is a deficient number, since it is larger than the sum of its proper divisors (1).

339153421 is an equidigital number, since it uses as much as digits as its factorization.

339153421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 31.

The square root of 339153421 is about 18416.1185106960. The cubic root of 339153421 is about 697.3734364383.

The spelling of 339153421 in words is "three hundred thirty-nine million, one hundred fifty-three thousand, four hundred twenty-one".