949561 has 4 divisors (see below), whose sum is σ = 980224. Its totient is φ = 918900.

The previous prime is 949523. The next prime is 949567. The reversal of 949561 is 165949.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 949561 - 2¹⁹ = 425273 is a prime.

It is a Duffinian number.

949561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (949567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15285 + ... + 15346.

It is an arithmetic number, because the mean of its divisors is an integer number (245056).

2⁹⁴⁹⁵⁶¹ is an apocalyptic number.

It is an amenable number.

949561 is a deficient number, since it is larger than the sum of its proper divisors (30663).

949561 is a wasteful number, since it uses less digits than its factorization.

949561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30662.

The product of its digits is 9720, while the sum is 34.

The square root of 949561 is about 974.4542062098. The cubic root of 949561 is about 98.2896125342.

The spelling of 949561 in words is "nine hundred forty-nine thousand, five hundred sixty-one".