3971408430 has 64 divisors (see below), whose sum is σ = 10544380416. Its totient is φ = 949200000.

The previous prime is 3971408429. The next prime is 3971408453. The reversal of 3971408430 is 348041793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61321 + ... + 108180.

It is an arithmetic number, because the mean of its divisors is an integer number (164755944).

Almost surely, 2^3971408430 is an apocalyptic number.

3971408430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3971408430 is an abundant number, since it is smaller than the sum of its proper divisors (6572971986).

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

3971408430 is a wasteful number, since it uses less digits than its factorization.

3971408430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169593.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 3971408430 is about 63019.1116249666. Note that the first 3 decimals coincide. The cubic root of 3971408430 is about 1583.6098137559.

The spelling of 3971408430 in words is "three billion, nine hundred seventy-one million, four hundred eight thousand, four hundred thirty".