949665408 has 64 divisors (see below), whose sum is σ = 2603953920. Its totient is φ = 306339840.

The previous prime is 949665397. The next prime is 949665413. The reversal of 949665408 is 804566949.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27985 + ... + 51792.

It is an arithmetic number, because the mean of its divisors is an integer number (40686780).

Almost surely, 2^949665408 is an apocalyptic number.

It is an amenable number.

949665408 is an abundant number, since it is smaller than the sum of its proper divisors (1654288512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

949665408 is a wasteful number, since it uses less digits than its factorization.

949665408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79825 (or 79813 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The square root of 949665408 is about 30816.6417378662. The cubic root of 949665408 is about 982.9321484648.

The spelling of 949665408 in words is "nine hundred forty-nine million, six hundred sixty-five thousand, four hundred eight".