3955962820 has 12 divisors (see below), whose sum is σ = 8307521964. Its totient is φ = 1582385120.

The previous prime is 3955962757. The next prime is 3955962821. The reversal of 3955962820 is 282695593.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3018623364 + 937339456 = 54942^2 + 30616^2 .

It is not an unprimeable number, because it can be changed into a prime (3955962821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98899051 + ... + 98899090.

It is an arithmetic number, because the mean of its divisors is an integer number (692293497).

Almost surely, 2^3955962820 is an apocalyptic number.

It is an amenable number.

3955962820 is an abundant number, since it is smaller than the sum of its proper divisors (4351559144).

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

3955962820 is a wasteful number, since it uses less digits than its factorization.

3955962820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197798150 (or 197798148 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The square root of 3955962820 is about 62896.4452095665. The cubic root of 3955962820 is about 1581.5541536187.

The spelling of 3955962820 in words is "three billion, nine hundred fifty-five million, nine hundred sixty-two thousand, eight hundred twenty".