3888445 has 24 divisors (see below), whose sum is σ = 5447520. Its totient is φ = 2635200.

The previous prime is 3888431. The next prime is 3888463. The reversal of 3888445 is 5448883.

It is not a de Polignac number, because 3888445 - 2⁵ = 3888413 is a prime.

Its product of digits (122880) is a multiple of the sum of its prime divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 3888398 and 3888407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63715 + ... + 63775.

It is an arithmetic number, because the mean of its divisors is an integer number (226980).

Almost surely, 2^3888445 is an apocalyptic number.

It is an amenable number.

3888445 is a deficient number, since it is larger than the sum of its proper divisors (1559075).

3888445 is a wasteful number, since it uses less digits than its factorization.

3888445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 96 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 3888445 is about 1971.9140447798. The cubic root of 3888445 is about 157.2504825488.

The spelling of 3888445 in words is "three million, eight hundred eighty-eight thousand, four hundred forty-five".