3954327636 has 192 divisors, whose sum is σ = 11766988800. Its totient is φ = 1028482560.

The previous prime is 3954327599. The next prime is 3954327649. The reversal of 3954327636 is 6367234593.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2168221 + ... + 2170043.

It is an arithmetic number, because the mean of its divisors is an integer number (61286400).

Almost surely, 2^3954327636 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 3954327636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5883494400).

3954327636 is an abundant number, since it is smaller than the sum of its proper divisors (7812661164).

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

3954327636 is a wasteful number, since it uses less digits than its factorization.

3954327636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899 (or 1883 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 48.

The square root of 3954327636 is about 62883.4448483860. Note that the first 3 decimals coincide. The cubic root of 3954327636 is about 1581.3362135478.

The spelling of 3954327636 in words is "three billion, nine hundred fifty-four million, three hundred twenty-seven thousand, six hundred thirty-six".