1904972382 has 24 divisors (see below), whose sum is σ = 4260584640. Its totient is φ = 614507040.

The previous prime is 1904972359. The next prime is 1904972389. The reversal of 1904972382 is 2832794091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1904972389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1706407 + ... + 1707522.

It is an arithmetic number, because the mean of its divisors is an integer number (177524360).

Almost surely, 2^1904972382 is an apocalyptic number.

1904972382 is an abundant number, since it is smaller than the sum of its proper divisors (2355612258).

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

1904972382 is a wasteful number, since it uses less digits than its factorization.

1904972382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413968 (or 3413965 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1904972382 is about 43645.9893002782. The cubic root of 1904972382 is about 1239.6418454874.

The spelling of 1904972382 in words is "one billion, nine hundred four million, nine hundred seventy-two thousand, three hundred eighty-two".