3870042194 has 8 divisors (see below), whose sum is σ = 5810101500. Its totient is φ = 1933341696.

The previous prime is 3870042179. The next prime is 3870042247. The reversal of 3870042194 is 4912400783.

It can be written as a sum of positive squares in 2 ways, for example, as 3026430169 + 843612025 = 55013^2 + 29045^2 .

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

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, 836819 + ... + 841430.

Almost surely, 2^3870042194 is an apocalyptic number.

3870042194 is a deficient number, since it is larger than the sum of its proper divisors (1940059306).

3870042194 is a wasteful number, since it uses less digits than its factorization.

3870042194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679404.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 3870042194 is about 62209.6631882861. The cubic root of 3870042194 is about 1570.0201755423.

The spelling of 3870042194 in words is "three billion, eight hundred seventy million, forty-two thousand, one hundred ninety-four".