339040987 has 2 divisors, whose sum is σ = 339040988. Its totient is φ = 339040986.

The previous prime is 339040951. The next prime is 339040991. The reversal of 339040987 is 789040933.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-339040987 is a prime.

It is a super-2 number, since 2×339040987² = 229897581731868338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (339040937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169520493 + 169520494.

It is an arithmetic number, because the mean of its divisors is an integer number (169520494).

Almost surely, 2^339040987 is an apocalyptic number.

339040987 is a deficient number, since it is larger than the sum of its proper divisors (1).

339040987 is an equidigital number, since it uses as much as digits as its factorization.

339040987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 339040987 is about 18413.0656600144. The cubic root of 339040987 is about 697.2963649753.

The spelling of 339040987 in words is "three hundred thirty-nine million, forty thousand, nine hundred eighty-seven".