1904404192 has 48 divisors (see below), whose sum is σ = 3978942912. Its totient is φ = 894136320.

The previous prime is 1904404169. The next prime is 1904404193. The reversal of 1904404192 is 2914044091.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1904404193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248092 + ... + 255652.

It is an arithmetic number, because the mean of its divisors is an integer number (82894644).

Almost surely, 2^1904404192 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 1904404192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1989471456).

1904404192 is an abundant number, since it is smaller than the sum of its proper divisors (2074538720).

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

1904404192 is a wasteful number, since it uses less digits than its factorization.

1904404192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8051 (or 8043 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1904404192 is about 43639.4797402535. The cubic root of 1904404192 is about 1239.5185852332.

The spelling of 1904404192 in words is "one billion, nine hundred four million, four hundred four thousand, one hundred ninety-two".