260407388 has 12 divisors (see below), whose sum is σ = 479697960. Its totient is φ = 123350832.

The previous prime is 260407379. The next prime is 260407393. The reversal of 260407388 is 883704062.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713131 + ... + 1713282.

It is an arithmetic number, because the mean of its divisors is an integer number (39974830).

Almost surely, 2^260407388 is an apocalyptic number.

It is an amenable number.

260407388 is a deficient number, since it is larger than the sum of its proper divisors (219290572).

260407388 is a wasteful number, since it uses less digits than its factorization.

260407388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426436 (or 3426434 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 260407388 is about 16137.1431176649. The cubic root of 260407388 is about 638.5836092194.

The spelling of 260407388 in words is "two hundred sixty million, four hundred seven thousand, three hundred eighty-eight".