3993464397 has 16 divisors (see below), whose sum is σ = 5789883008. Its totient is φ = 2433654720.

The previous prime is 3993464393. The next prime is 3993464417. The reversal of 3993464397 is 7934643993.

It is not a de Polignac number, because 3993464397 - 2² = 3993464393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3993464393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493054 + ... + 501087.

It is an arithmetic number, because the mean of its divisors is an integer number (361867688).

Almost surely, 2^3993464397 is an apocalyptic number.

It is an amenable number.

3993464397 is a deficient number, since it is larger than the sum of its proper divisors (1796418611).

3993464397 is a wasteful number, since it uses less digits than its factorization.

3993464397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994260.

The product of its digits is 13226976, while the sum is 57.

The square root of 3993464397 is about 63193.8636024100. The cubic root of 3993464397 is about 1586.5360287532.

The spelling of 3993464397 in words is "three billion, nine hundred ninety-three million, four hundred sixty-four thousand, three hundred ninety-seven".