949392561 has 16 divisors (see below), whose sum is σ = 1365116480. Its totient is φ = 583433280.

The previous prime is 949392547. The next prime is 949392599. The reversal of 949392561 is 165293949.

It is not a de Polignac number, because 949392561 - 2²¹ = 947295409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 949392561.

It is not an unprimeable number, because it can be changed into a prime (949392511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12351 + ... + 45291.

It is an arithmetic number, because the mean of its divisors is an integer number (85319780).

Almost surely, 2^949392561 is an apocalyptic number.

It is an amenable number.

949392561 is a deficient number, since it is larger than the sum of its proper divisors (415723919).

949392561 is a wasteful number, since it uses less digits than its factorization.

949392561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33696.

The product of its digits is 524880, while the sum is 48.

The square root of 949392561 is about 30812.2144773789. The cubic root of 949392561 is about 982.8380045083.

The spelling of 949392561 in words is "nine hundred forty-nine million, three hundred ninety-two thousand, five hundred sixty-one".