3904092 has 48 divisors (see below), whose sum is σ = 10405920. Its totient is φ = 1264896.

The previous prime is 3904081. The next prime is 3904111. The reversal of 3904092 is 2904093.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3508 + ... + 4484.

It is an arithmetic number, because the mean of its divisors is an integer number (216790).

Almost surely, 2^3904092 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 3904092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5202960).

3904092 is an abundant number, since it is smaller than the sum of its proper divisors (6501828).

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

3904092 is a wasteful number, since it uses less digits than its factorization.

3904092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3904092 is about 1975.8775265689. The cubic root of 3904092 is about 157.4611241919.

Subtracting from 3904092 its reverse (2904093), we obtain a palindrome (999999).

The spelling of 3904092 in words is "three million, nine hundred four thousand, ninety-two".