949611687 has 16 divisors (see below), whose sum is σ = 1341254880. Its totient is φ = 595556352.

The previous prime is 949611683. The next prime is 949611731. The reversal of 949611687 is 786116949.

It is a happy number.

It is not a de Polignac number, because 949611687 - 2² = 949611683 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949611683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190989 + ... + 195897.

It is an arithmetic number, because the mean of its divisors is an integer number (83828430).

Almost surely, 2^949611687 is an apocalyptic number.

949611687 is a deficient number, since it is larger than the sum of its proper divisors (391643193).

949611687 is a wasteful number, since it uses less digits than its factorization.

949611687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8722.

The product of its digits is 653184, while the sum is 51.

The square root of 949611687 is about 30815.7701023356. The cubic root of 949611687 is about 982.9136138338.

The spelling of 949611687 in words is "nine hundred forty-nine million, six hundred eleven thousand, six hundred eighty-seven".