3894620318 has 4 divisors (see below), whose sum is σ = 5841930480. Its totient is φ = 1947310158.

The previous prime is 3894620269. The next prime is 3894620351. The reversal of 3894620318 is 8130264983.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×3894620318² = 30336134842756842248, 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 as a sum of consecutive naturals, namely, 973655078 + ... + 973655081.

It is an arithmetic number, because the mean of its divisors is an integer number (1460482620).

Almost surely, 2^3894620318 is an apocalyptic number.

3894620318 is a deficient number, since it is larger than the sum of its proper divisors (1947310162).

3894620318 is a wasteful number, since it uses less digits than its factorization.

3894620318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947310161.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 3894620318 is about 62406.8931929799. The cubic root of 3894620318 is about 1573.3368274225.

The spelling of 3894620318 in words is "three billion, eight hundred ninety-four million, six hundred twenty thousand, three hundred eighteen".