904128382 has 8 divisors (see below), whose sum is σ = 1358956152. Its totient is φ = 451143000.

The previous prime is 904128373. The next prime is 904128403. The reversal of 904128382 is 283821409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×904128382² = 1634896262275875848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459369 + ... + 461332.

It is an arithmetic number, because the mean of its divisors is an integer number (169869519).

Almost surely, 2^904128382 is an apocalyptic number.

904128382 is a deficient number, since it is larger than the sum of its proper divisors (454827770).

904128382 is a wasteful number, since it uses less digits than its factorization.

904128382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921194.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 904128382 is about 30068.7276418541. The cubic root of 904128382 is about 966.9633956814.

It can be divided in two parts, 904 and 128382, that added together give a triangular number (129286 = T₅₀₈).

The spelling of 904128382 in words is "nine hundred four million, one hundred twenty-eight thousand, three hundred eighty-two".