260938399 has 2 divisors, whose sum is σ = 260938400. Its totient is φ = 260938398.

The previous prime is 260938373. The next prime is 260938417. The reversal of 260938399 is 993839062.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260938399 - 2⁵ = 260938367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260938369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130469199 + 130469200.

It is an arithmetic number, because the mean of its divisors is an integer number (130469200).

Almost surely, 2^260938399 is an apocalyptic number.

260938399 is a deficient number, since it is larger than the sum of its proper divisors (1).

260938399 is an equidigital number, since it uses as much as digits as its factorization.

260938399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 260938399 is about 16153.5878058096. The cubic root of 260938399 is about 639.0173714810.

The spelling of 260938399 in words is "two hundred sixty million, nine hundred thirty-eight thousand, three hundred ninety-nine".