3921393371 has 8 divisors (see below), whose sum is σ = 4482182400. Its totient is φ = 3360751848.

The previous prime is 3921393367. The next prime is 3921393373. The reversal of 3921393371 is 1733931293.

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 3921393371 - 2² = 3921393367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3921393373) 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, 27620 + ... + 92766.

It is an arithmetic number, because the mean of its divisors is an integer number (560272800).

Almost surely, 2^3921393371 is an apocalyptic number.

3921393371 is a deficient number, since it is larger than the sum of its proper divisors (560789029).

3921393371 is an equidigital number, since it uses as much as digits as its factorization.

3921393371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73753.

The product of its digits is 91854, while the sum is 41.

The square root of 3921393371 is about 62621.0297823343. The cubic root of 3921393371 is about 1576.9338296731.

The spelling of 3921393371 in words is "three billion, nine hundred twenty-one million, three hundred ninety-three thousand, three hundred seventy-one".