3889371394 has 8 divisors (see below), whose sum is σ = 5863672188. Its totient is φ = 1934814000.

The previous prime is 3889371379. The next prime is 3889371403. The reversal of 3889371394 is 4931739883.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3821094225 + 68277169 = 61815^2 + 8263^2 .

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, 4935357 + ... + 4936144.

Almost surely, 2^3889371394 is an apocalyptic number.

3889371394 is a deficient number, since it is larger than the sum of its proper divisors (1974300794).

3889371394 is a wasteful number, since it uses less digits than its factorization.

3889371394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9871700.

The product of its digits is 3919104, while the sum is 55.

The square root of 3889371394 is about 62364.8249736981. The cubic root of 3889371394 is about 1572.6296948861.

The spelling of 3889371394 in words is "three billion, eight hundred eighty-nine million, three hundred seventy-one thousand, three hundred ninety-four".