949091985 has 80 divisors (see below), whose sum is σ = 1773292752. Its totient is φ = 485222400.

The previous prime is 949091959. The next prime is 949092043. The reversal of 949091985 is 589190949.

949091985 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in 8 ways, for example, as 611671824 + 337420161 = 24732^2 + 18369^2 .

It is not a de Polignac number, because 949091985 - 2⁵ = 949091953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1012437 + ... + 1013373.

Almost surely, 2^949091985 is an apocalyptic number.

It is an amenable number.

949091985 is a deficient number, since it is larger than the sum of its proper divisors (824200767).

949091985 is a wasteful number, since it uses less digits than its factorization.

949091985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 54.

The square root of 949091985 is about 30807.3365450504. The cubic root of 949091985 is about 982.7342719710.

It can be divided in two parts, 9490 and 91985, that added together give a triangular number (101475 = T₄₅₀).

The spelling of 949091985 in words is "nine hundred forty-nine million, ninety-one thousand, nine hundred eighty-five".