1904086452 has 96 divisors (see below), whose sum is σ = 4673173120. Its totient is φ = 602795520.

The previous prime is 1904086451. The next prime is 1904086493. The reversal of 1904086452 is 2546804091.

It is a self number, because there is not a number n which added to its sum of digits gives 1904086452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1904086451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6202083 + ... + 6202389.

Almost surely, 2^1904086452 is an apocalyptic number.

1904086452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1904086452 is an abundant number, since it is smaller than the sum of its proper divisors (2769086668).

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

1904086452 is a wasteful number, since it uses less digits than its factorization.

1904086452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1904086452 is about 43635.8390775289. The cubic root of 1904086452 is about 1239.4496456417.

The spelling of 1904086452 in words is "one billion, nine hundred four million, eighty-six thousand, four hundred fifty-two".