3949647074 has 8 divisors (see below), whose sum is σ = 5925020160. Its totient is φ = 1974640356.

The previous prime is 3949647049. The next prime is 3949647109. The reversal of 3949647074 is 4707469493.

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

It is a super-2 number, since 2×3949647074² = 31199424018313522952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62834 + ... + 108845.

It is an arithmetic number, because the mean of its divisors is an integer number (740627520).

Almost surely, 2^3949647074 is an apocalyptic number.

3949647074 is a deficient number, since it is larger than the sum of its proper divisors (1975373086).

3949647074 is a wasteful number, since it uses less digits than its factorization.

3949647074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183184.

The product of its (nonzero) digits is 4572288, while the sum is 53.

The square root of 3949647074 is about 62846.2176586626. The cubic root of 3949647074 is about 1580.7120480692.

The spelling of 3949647074 in words is "three billion, nine hundred forty-nine million, six hundred forty-seven thousand, seventy-four".