3791026221 has 32 divisors (see below), whose sum is σ = 5327769600. Its totient is φ = 2393160000.

The previous prime is 3791026201. The next prime is 3791026223. The reversal of 3791026221 is 1226201973.

It is not a de Polignac number, because 3791026221 - 2¹⁰ = 3791025197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3791026223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5047596 + ... + 5048346.

It is an arithmetic number, because the mean of its divisors is an integer number (166492800).

Almost surely, 2^3791026221 is an apocalyptic number.

It is an amenable number.

3791026221 is a deficient number, since it is larger than the sum of its proper divisors (1536743379).

3791026221 is a wasteful number, since it uses less digits than its factorization.

3791026221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 3791026221 is about 61571.3100477812. The cubic root of 3791026221 is about 1559.2614053747.

The spelling of 3791026221 in words is "three billion, seven hundred ninety-one million, twenty-six thousand, two hundred twenty-one".