3894022144 has 26 divisors (see below), whose sum is σ = 7787101790. Its totient is φ = 1947009024.

The previous prime is 3894022141. The next prime is 3894022157. The reversal of 3894022144 is 4412204983.

It can be written as a sum of positive squares in only one way, i.e., 3893760000 + 262144 = 62400^2 + 512^2 .

It is not an unprimeable number, because it can be changed into a prime (3894022141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 471249 + ... + 479440.

It is an arithmetic number, because the mean of its divisors is an integer number (299503915).

Almost surely, 2^3894022144 is an apocalyptic number.

It is an amenable number.

3894022144 is a deficient number, since it is larger than the sum of its proper divisors (3893079646).

3894022144 is an frugal number, since it uses more digits than its factorization.

3894022144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950713 (or 950691 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 3894022144 is about 62402.1004774679. The cubic root of 3894022144 is about 1573.2562737961.

The spelling of 3894022144 in words is "three billion, eight hundred ninety-four million, twenty-two thousand, one hundred forty-four".