949689 has 12 divisors (see below), whose sum is σ = 1477476. Its totient is φ = 584352.

The previous prime is 949687. The next prime is 949691. The reversal of 949689 is 986949.

It is an interprime number because it is at equal distance from previous prime (949687) and next prime (949691).

It can be written as a sum of positive squares in 2 ways, for example, as 514089 + 435600 = 717^2 + 660^2 .

It is not a de Polignac number, because 949689 - 2¹ = 949687 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3942 + ... + 4175.

It is an arithmetic number, because the mean of its divisors is an integer number (123123).

2⁹⁴⁹⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

949689 is a deficient number, since it is larger than the sum of its proper divisors (527787).

949689 is a wasteful number, since it uses less digits than its factorization.

949689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8136 (or 8133 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 949689 is about 974.5198817879. The cubic root of 949689 is about 98.2940287873.

The spelling of 949689 in words is "nine hundred forty-nine thousand, six hundred eighty-nine".