3889392 has 80 divisors (see below), whose sum is σ = 11332608. Its totient is φ = 1140480.

The previous prime is 3889387. The next prime is 3889397. The reversal of 3889392 is 2939883.

It is an interprime number because it is at equal distance from previous prime (3889387) and next prime (3889397).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3889397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14217 + ... + 14487.

Almost surely, 2^3889392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3889392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5666304).

3889392 is an abundant number, since it is smaller than the sum of its proper divisors (7443216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3889392 is a wasteful number, since it uses less digits than its factorization.

3889392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 312 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 3889392 is about 1972.1541521899. The cubic root of 3889392 is about 157.2632472160.

The spelling of 3889392 in words is "three million, eight hundred eighty-nine thousand, three hundred ninety-two".