953661982 has 16 divisors (see below), whose sum is σ = 1760607072. Its totient is φ = 377272800.

The previous prime is 953661977. The next prime is 953661997. The reversal of 953661982 is 289166359.

It is a congruent number.

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, 2619769 + ... + 2620132.

It is an arithmetic number, because the mean of its divisors is an integer number (110037942).

Almost surely, 2^953661982 is an apocalyptic number.

953661982 is a deficient number, since it is larger than the sum of its proper divisors (806945090).

953661982 is a wasteful number, since it uses less digits than its factorization.

953661982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5239923.

The product of its digits is 699840, while the sum is 49.

The square root of 953661982 is about 30881.4180697713. The cubic root of 953661982 is about 984.3090766528.

The spelling of 953661982 in words is "nine hundred fifty-three million, six hundred sixty-one thousand, nine hundred eighty-two".