3874223638 has 8 divisors (see below), whose sum is σ = 6064002288. Its totient is φ = 1852889544.

The previous prime is 3874223629. The next prime is 3874223641. The reversal of 3874223638 is 8363224783.

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

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 84222253 = 3874223638 / (3 + 8 + 7 + 4 + 2 + 2 + 3 + 6 + 3 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42111081 + ... + 42111172.

It is an arithmetic number, because the mean of its divisors is an integer number (758000286).

Almost surely, 2^3874223638 is an apocalyptic number.

3874223638 is a deficient number, since it is larger than the sum of its proper divisors (2189778650).

3874223638 is a wasteful number, since it uses less digits than its factorization.

3874223638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84222278.

The product of its digits is 1161216, while the sum is 46.

The square root of 3874223638 is about 62243.2617879237. The cubic root of 3874223638 is about 1570.5854224770.

The spelling of 3874223638 in words is "three billion, eight hundred seventy-four million, two hundred twenty-three thousand, six hundred thirty-eight".