3954546636 has 24 divisors (see below), whose sum is σ = 9253876800. Its totient is φ = 1314382032.

The previous prime is 3954546619. The next prime is 3954546641. The reversal of 3954546636 is 6366454593.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470686 + ... + 479013.

It is an arithmetic number, because the mean of its divisors is an integer number (385578200).

Almost surely, 2^3954546636 is an apocalyptic number.

It is an amenable number.

3954546636 is an abundant number, since it is smaller than the sum of its proper divisors (5299330164).

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

3954546636 is a wasteful number, since it uses less digits than its factorization.

3954546636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950053 (or 950051 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 51.

The square root of 3954546636 is about 62885.1861410937. The cubic root of 3954546636 is about 1581.3654057198.

The spelling of 3954546636 in words is "three billion, nine hundred fifty-four million, five hundred forty-six thousand, six hundred thirty-six".