3914221790 has 8 divisors (see below), whose sum is σ = 7045599240. Its totient is φ = 1565688712.

The previous prime is 3914221781. The next prime is 3914221799. The reversal of 3914221790 is 971224193.

It is an interprime number because it is at equal distance from previous prime (3914221781) and next prime (3914221799).

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

It is a super-2 number, since 2×3914221790² = 30642264442621608200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3914221799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195711080 + ... + 195711099.

It is an arithmetic number, because the mean of its divisors is an integer number (880699905).

Almost surely, 2^3914221790 is an apocalyptic number.

3914221790 is a deficient number, since it is larger than the sum of its proper divisors (3131377450).

3914221790 is a wasteful number, since it uses less digits than its factorization.

3914221790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391422186.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 3914221790 is about 62563.7418158473. The cubic root of 3914221790 is about 1575.9719258465.

The spelling of 3914221790 in words is "three billion, nine hundred fourteen million, two hundred twenty-one thousand, seven hundred ninety".