3889404 has 24 divisors (see below), whose sum is σ = 10083920. Its totient is φ = 1296432.

The previous prime is 3889399. The next prime is 3889411. The reversal of 3889404 is 4049883.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17899 + ... + 18114.

Almost surely, 2^3889404 is an apocalyptic number.

It is an amenable number.

3889404 is an abundant number, since it is smaller than the sum of its proper divisors (6194516).

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

3889404 is a wasteful number, since it uses less digits than its factorization.

3889404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36026 (or 36018 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 3889404 is about 1972.1571945461. The cubic root of 3889404 is about 157.2634089514.

The spelling of 3889404 in words is "three million, eight hundred eighty-nine thousand, four hundred four".