934591986 has 64 divisors (see below), whose sum is σ = 2107728000. Its totient is φ = 306936000.

The previous prime is 934591979. The next prime is 934591997. The reversal of 934591986 is 689195439.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1903201 + ... + 1903691.

It is an arithmetic number, because the mean of its divisors is an integer number (32933250).

Almost surely, 2^934591986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 934591986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1053864000).

934591986 is an abundant number, since it is smaller than the sum of its proper divisors (1173136014).

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

934591986 is a wasteful number, since it uses less digits than its factorization.

934591986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952 (or 946 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 934591986 is about 30571.0972325169. The cubic root of 934591986 is about 977.7039075057.

The spelling of 934591986 in words is "nine hundred thirty-four million, five hundred ninety-one thousand, nine hundred eighty-six".