3949736682 has 16 divisors (see below), whose sum is σ = 8315235360. Its totient is φ = 1247285232.

The previous prime is 3949736669. The next prime is 3949736683. The reversal of 3949736682 is 2866379493.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (3949736683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17323293 + ... + 17323520.

It is an arithmetic number, because the mean of its divisors is an integer number (519702210).

Almost surely, 2^3949736682 is an apocalyptic number.

3949736682 is an abundant number, since it is smaller than the sum of its proper divisors (4365498678).

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

3949736682 is a wasteful number, since it uses less digits than its factorization.

3949736682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34646837.

The product of its digits is 11757312, while the sum is 57.

The square root of 3949736682 is about 62846.9305694399. The cubic root of 3949736682 is about 1580.7240021646.

The spelling of 3949736682 in words is "three billion, nine hundred forty-nine million, seven hundred thirty-six thousand, six hundred eighty-two".