260881939 has 8 divisors (see below), whose sum is σ = 273749760. Its totient is φ = 248141256.

The previous prime is 260881927. The next prime is 260881961. The reversal of 260881939 is 939188062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 260881939 - 2⁹ = 260881427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260881909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27567 + ... + 35800.

It is an arithmetic number, because the mean of its divisors is an integer number (34218720).

Almost surely, 2^260881939 is an apocalyptic number.

260881939 is a deficient number, since it is larger than the sum of its proper divisors (12867821).

260881939 is a wasteful number, since it uses less digits than its factorization.

260881939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63569.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 260881939 is about 16151.8401118882. The cubic root of 260881939 is about 638.9712794744.

The spelling of 260881939 in words is "two hundred sixty million, eight hundred eighty-one thousand, nine hundred thirty-nine".