260006381 has 8 divisors (see below), whose sum is σ = 278619264. Its totient is φ = 241762240.

The previous prime is 260006377. The next prime is 260006399. The reversal of 260006381 is 183600062.

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

It is a cyclic number.

It is not a de Polignac number, because 260006381 - 2² = 260006377 is a prime.

It is a super-2 number, since 2×260006381² = 135206636321434322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260006381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260006081) 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, 90725 + ... + 93546.

It is an arithmetic number, because the mean of its divisors is an integer number (34827408).

Almost surely, 2^260006381 is an apocalyptic number.

It is an amenable number.

260006381 is a deficient number, since it is larger than the sum of its proper divisors (18612883).

260006381 is a wasteful number, since it uses less digits than its factorization.

260006381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184371.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 260006381 is about 16124.7133617934. The cubic root of 260006381 is about 638.2556512228.

The spelling of 260006381 in words is "two hundred sixty million, six thousand, three hundred eighty-one".