260897806 has 12 divisors (see below), whose sum is σ = 423766512. Its totient is φ = 120414216.

The previous prime is 260897803. The next prime is 260897821. The reversal of 260897806 is 608798062.

It is a super-2 number, since 2×260897806² = 136135330351227272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260897803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 385606 + ... + 386281.

It is an arithmetic number, because the mean of its divisors is an integer number (35313876).

Almost surely, 2^260897806 is an apocalyptic number.

260897806 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

260897806 is a deficient number, since it is larger than the sum of its proper divisors (162868706).

260897806 is a wasteful number, since it uses less digits than its factorization.

260897806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771915 (or 771902 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 260897806 is about 16152.3312868453. The cubic root of 260897806 is about 638.9842334205.

The spelling of 260897806 in words is "two hundred sixty million, eight hundred ninety-seven thousand, eight hundred six".