260393970 has 32 divisors (see below), whose sum is σ = 627715008. Its totient is φ = 69130688.

The previous prime is 260393957. The next prime is 260393977. The reversal of 260393970 is 79393062.

It is a super-2 number, since 2×260393970² = 135610039224721800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (260393977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12309 + ... + 25928.

It is an arithmetic number, because the mean of its divisors is an integer number (19616094).

Almost surely, 2^260393970 is an apocalyptic number.

260393970 is an abundant number, since it is smaller than the sum of its proper divisors (367321038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260393970 is a wasteful number, since it uses less digits than its factorization.

260393970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38474.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 260393970 is about 16136.7273633782. The cubic root of 260393970 is about 638.5726409412.

The spelling of 260393970 in words is "two hundred sixty million, three hundred ninety-three thousand, nine hundred seventy".