959039640 has 96 divisors (see below), whose sum is σ = 3356655120. Its totient is φ = 236070144.

The previous prime is 959039597. The next prime is 959039659. The reversal of 959039640 is 46930959.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 97782 + ... + 107141.

Almost surely, 2^959039640 is an apocalyptic number.

959039640 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

959039640 is an abundant number, since it is smaller than the sum of its proper divisors (2397615480).

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

959039640 is a wasteful number, since it uses less digits than its factorization.

959039640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204953 (or 204946 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 959039640 is about 30968.3651489710. The cubic root of 959039640 is about 986.1557683924.

The spelling of 959039640 in words is "nine hundred fifty-nine million, thirty-nine thousand, six hundred forty".