3961290630 has 32 divisors (see below), whose sum is σ = 10371379968. Its totient is φ = 960312800.

The previous prime is 3961290623. The next prime is 3961290631. The reversal of 3961290630 is 360921693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3961290631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6001626 + ... + 6002285.

It is an arithmetic number, because the mean of its divisors is an integer number (324105624).

Almost surely, 2^3961290630 is an apocalyptic number.

3961290630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3961290630 is an abundant number, since it is smaller than the sum of its proper divisors (6410089338).

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

3961290630 is a wasteful number, since it uses less digits than its factorization.

3961290630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12003932.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 3961290630 is about 62938.7847833115. The cubic root of 3961290630 is about 1582.2638367386.

The spelling of 3961290630 in words is "three billion, nine hundred sixty-one million, two hundred ninety thousand, six hundred thirty".