260949549 has 24 divisors (see below), whose sum is σ = 406837728. Its totient is φ = 148340640.

The previous prime is 260949529. The next prime is 260949551. The reversal of 260949549 is 945949062.

It is not a de Polignac number, because 260949549 - 2¹⁵ = 260916781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260949498 and 260949507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260949509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24454 + ... + 33464.

It is an arithmetic number, because the mean of its divisors is an integer number (16951572).

Almost surely, 2^260949549 is an apocalyptic number.

It is an amenable number.

260949549 is a deficient number, since it is larger than the sum of its proper divisors (145888179).

260949549 is a wasteful number, since it uses less digits than its factorization.

260949549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9225 (or 9218 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The square root of 260949549 is about 16153.9329266900. The cubic root of 260949549 is about 639.0264731722.

The spelling of 260949549 in words is "two hundred sixty million, nine hundred forty-nine thousand, five hundred forty-nine".