1890357272 has 16 divisors (see below), whose sum is σ = 3730968600. Its totient is φ = 895432320.

The previous prime is 1890357263. The next prime is 1890357311. The reversal of 1890357272 is 2727530981.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6218129 + ... + 6218432.

Almost surely, 2^1890357272 is an apocalyptic number.

It is an amenable number.

1890357272 is a deficient number, since it is larger than the sum of its proper divisors (1840611328).

1890357272 is a wasteful number, since it uses less digits than its factorization.

1890357272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12436586 (or 12436582 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 1890357272 is about 43478.2390627771. The cubic root of 1890357272 is about 1236.4634908459.

The spelling of 1890357272 in words is "one billion, eight hundred ninety million, three hundred fifty-seven thousand, two hundred seventy-two".