3908786652 has 96 divisors (see below), whose sum is σ = 10557747200. Its totient is φ = 1249214400.

The previous prime is 3908786641. The next prime is 3908786653. The reversal of 3908786652 is 2566878093.

It is a happy number.

It is a super-2 number, since 2×3908786652² = 30557226181706738208, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3908786653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359577 + ... + 370287.

Almost surely, 2^3908786652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3908786652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5278873600).

3908786652 is an abundant number, since it is smaller than the sum of its proper divisors (6648960548).

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

3908786652 is a wasteful number, since it uses less digits than its factorization.

3908786652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10864 (or 10856 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The square root of 3908786652 is about 62520.2899225523. The cubic root of 3908786652 is about 1575.2421432694.

The spelling of 3908786652 in words is "three billion, nine hundred eight million, seven hundred eighty-six thousand, six hundred fifty-two".