260498407 has 4 divisors (see below), whose sum is σ = 280536760. Its totient is φ = 240460056.

The previous prime is 260498369. The next prime is 260498423. The reversal of 260498407 is 704894062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260498407 - 2¹¹ = 260496359 is a prime.

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 260498407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260498467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10019157 + ... + 10019182.

It is an arithmetic number, because the mean of its divisors is an integer number (70134190).

Almost surely, 2^260498407 is an apocalyptic number.

260498407 is a deficient number, since it is larger than the sum of its proper divisors (20038353).

260498407 is a wasteful number, since it uses less digits than its factorization.

260498407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20038352.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 260498407 is about 16139.9630420890. The cubic root of 260498407 is about 638.6580009529.

The spelling of 260498407 in words is "two hundred sixty million, four hundred ninety-eight thousand, four hundred seven".