339402487 has 2 divisors, whose sum is σ = 339402488. Its totient is φ = 339402486.

The previous prime is 339402461. The next prime is 339402493. The reversal of 339402487 is 784204933.

It is a strong prime.

It is an emirp because it is prime and its reverse (784204933) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-339402487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (339405487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169701243 + 169701244.

It is an arithmetic number, because the mean of its divisors is an integer number (169701244).

Almost surely, 2^339402487 is an apocalyptic number.

339402487 is a deficient number, since it is larger than the sum of its proper divisors (1).

339402487 is an equidigital number, since it uses as much as digits as its factorization.

339402487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 339402487 is about 18422.8794437786. The cubic root of 339402487 is about 697.5441060139.

It can be divided in two parts, 339402 and 487, that added together give a square (339889 = 583²).

The spelling of 339402487 in words is "three hundred thirty-nine million, four hundred two thousand, four hundred eighty-seven".