338979967 has 2 divisors, whose sum is σ = 338979968. Its totient is φ = 338979966.

The previous prime is 338979929. The next prime is 338979973. The reversal of 338979967 is 769979833.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338979967 is a prime.

It is a super-2 number, since 2×338979967² = 229814836054642178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338970967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169489983 + 169489984.

It is an arithmetic number, because the mean of its divisors is an integer number (169489984).

Almost surely, 2^338979967 is an apocalyptic number.

338979967 is a deficient number, since it is larger than the sum of its proper divisors (1).

338979967 is an equidigital number, since it uses as much as digits as its factorization.

338979967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15431472, while the sum is 61.

The square root of 338979967 is about 18411.4086098810. The cubic root of 338979967 is about 697.2545297413.

The spelling of 338979967 in words is "three hundred thirty-eight million, nine hundred seventy-nine thousand, nine hundred sixty-seven".