1890574396 has 6 divisors (see below), whose sum is σ = 3308505200. Its totient is φ = 945287196.

The previous prime is 1890574379. The next prime is 1890574397. The reversal of 1890574396 is 6934750981.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1890574397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236321796 + ... + 236321803.

Almost surely, 2^1890574396 is an apocalyptic number.

It is an amenable number.

1890574396 is a deficient number, since it is larger than the sum of its proper divisors (1417930804).

1890574396 is a wasteful number, since it uses less digits than its factorization.

1890574396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472643603 (or 472643601 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 1890574396 is about 43480.7359183351. The cubic root of 1890574396 is about 1236.5108285679.

The spelling of 1890574396 in words is "one billion, eight hundred ninety million, five hundred seventy-four thousand, three hundred ninety-six".