3888493 has 6 divisors (see below), whose sum is σ = 4523406. Its totient is φ = 3332952.

The previous prime is 3888463. The next prime is 3888503. The reversal of 3888493 is 3948883.

It can be written as a sum of positive squares in only one way, i.e., 3337929 + 550564 = 1827^2 + 742^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3888493 is a prime.

It is a super-2 number, since 2×3888493² = 30240755622098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3888413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39630 + ... + 39727.

It is an arithmetic number, because the mean of its divisors is an integer number (753901).

Almost surely, 2^3888493 is an apocalyptic number.

It is an amenable number.

3888493 is a deficient number, since it is larger than the sum of its proper divisors (634913).

3888493 is an equidigital number, since it uses as much as digits as its factorization.

3888493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79371 (or 79364 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 3888493 is about 1971.9262156582. The cubic root of 3888493 is about 157.2511295934.

The spelling of 3888493 in words is "three million, eight hundred eighty-eight thousand, four hundred ninety-three".