3947952999 has 8 divisors (see below), whose sum is σ = 5313133440. Its totient is φ = 2607370616.

The previous prime is 3947952997. The next prime is 3947953003. The reversal of 3947952999 is 9992597493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3947952999 - 2¹ = 3947952997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3947952991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6149139 + ... + 6149780.

It is an arithmetic number, because the mean of its divisors is an integer number (664141680).

Almost surely, 2^3947952999 is an apocalyptic number.

3947952999 is a deficient number, since it is larger than the sum of its proper divisors (1365180441).

3947952999 is a wasteful number, since it uses less digits than its factorization.

3947952999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12299029.

The product of its digits is 49601160, while the sum is 66.

The square root of 3947952999 is about 62832.7382739285. The cubic root of 3947952999 is about 1580.4860170963.

The spelling of 3947952999 in words is "three billion, nine hundred forty-seven million, nine hundred fifty-two thousand, nine hundred ninety-nine".