3934889997 has 8 divisors (see below), whose sum is σ = 5250141600. Its totient is φ = 2621449200.

The previous prime is 3934889993. The next prime is 3934890041. The reversal of 3934889997 is 7999884393.

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

It is not a de Polignac number, because 3934889997 - 2² = 3934889993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3934889993) 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, 447622 + ... + 456327.

It is an arithmetic number, because the mean of its divisors is an integer number (656267700).

Almost surely, 2^3934889997 is an apocalyptic number.

It is an amenable number.

3934889997 is a deficient number, since it is larger than the sum of its proper divisors (1315251603).

3934889997 is a wasteful number, since it uses less digits than its factorization.

3934889997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905403.

The product of its digits is 105815808, while the sum is 69.

The square root of 3934889997 is about 62728.7015408417. The cubic root of 3934889997 is about 1578.7409182204.

The spelling of 3934889997 in words is "three billion, nine hundred thirty-four million, eight hundred eighty-nine thousand, nine hundred ninety-seven".