3893996949 has 8 divisors (see below), whose sum is σ = 5223086400. Its totient is φ = 2580452736.

The previous prime is 3893996941. The next prime is 3893996959. The reversal of 3893996949 is 9496993983.

3893996949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3893996949 - 2³ = 3893996941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3893996941) 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, 3885724 + ... + 3886725.

It is an arithmetic number, because the mean of its divisors is an integer number (652885800).

Almost surely, 2^3893996949 is an apocalyptic number.

It is an amenable number.

3893996949 is a deficient number, since it is larger than the sum of its proper divisors (1329089451).

3893996949 is a wasteful number, since it uses less digits than its factorization.

3893996949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7772619.

The product of its digits is 102036672, while the sum is 69.

The square root of 3893996949 is about 62401.8986009240. The cubic root of 3893996949 is about 1573.2528807083.

The spelling of 3893996949 in words is "three billion, eight hundred ninety-three million, nine hundred ninety-six thousand, nine hundred forty-nine".