3971225430 has 24 divisors (see below), whose sum is σ = 10325186352. Its totient is φ = 1058993424.

The previous prime is 3971225417. The next prime is 3971225491. The reversal of 3971225430 is 345221793.

3971225430 is a `hidden beast` number, since 3 + 97 + 1 + 22 + 543 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22062274 + ... + 22062453.

It is an arithmetic number, because the mean of its divisors is an integer number (430216098).

Almost surely, 2^3971225430 is an apocalyptic number.

3971225430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3971225430 is an abundant number, since it is smaller than the sum of its proper divisors (6353960922).

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

3971225430 is a wasteful number, since it uses less digits than its factorization.

3971225430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44124740 (or 44124737 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 3971225430 is about 63017.6596677471. The cubic root of 3971225430 is about 1583.5854894679.

The spelling of 3971225430 in words is "three billion, nine hundred seventy-one million, two hundred twenty-five thousand, four hundred thirty".