3838722190 has 64 divisors (see below), whose sum is σ = 7413249600. Its totient is φ = 1426968576.

The previous prime is 3838722169. The next prime is 3838722221. The reversal of 3838722190 is 912278383.

It is a super-2 number, since 2×3838722190² = 29471576103996792200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2315842 + ... + 2317498.

It is an arithmetic number, because the mean of its divisors is an integer number (115832025).

Almost surely, 2^3838722190 is an apocalyptic number.

3838722190 is a deficient number, since it is larger than the sum of its proper divisors (3574527410).

3838722190 is a wasteful number, since it uses less digits than its factorization.

3838722190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 3838722190 is about 61957.4223963522. The cubic root of 3838722190 is about 1565.7733407731.

The spelling of 3838722190 in words is "three billion, eight hundred thirty-eight million, seven hundred twenty-two thousand, one hundred ninety".