3994444825 has 12 divisors (see below), whose sum is σ = 5660699200. Its totient is φ = 2739047760.

The previous prime is 3994444823. The next prime is 3994444849. The reversal of 3994444825 is 5284444993.

It is not a de Polignac number, because 3994444825 - 2¹ = 3994444823 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3994444823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11412525 + ... + 11412874.

Almost surely, 2^3994444825 is an apocalyptic number.

3994444825 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3994444825 is a deficient number, since it is larger than the sum of its proper divisors (1666254375).

3994444825 is a wasteful number, since it uses less digits than its factorization.

3994444825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22825416 (or 22825411 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 52.

The square root of 3994444825 is about 63201.6204301757. The cubic root of 3994444825 is about 1586.6658539637.

The spelling of 3994444825 in words is "three billion, nine hundred ninety-four million, four hundred forty-four thousand, eight hundred twenty-five".