1900238372 has 24 divisors (see below), whose sum is σ = 3450703872. Its totient is φ = 914644800.

The previous prime is 1900238371. The next prime is 1900238381. The reversal of 1900238372 is 2738320091.

It is a super-3 number, since 3×1900238372³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1900238371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16433 + ... + 63800.

It is an arithmetic number, because the mean of its divisors is an integer number (143779328).

Almost surely, 2^1900238372 is an apocalyptic number.

It is an amenable number.

1900238372 is a deficient number, since it is larger than the sum of its proper divisors (1550465500).

1900238372 is a wasteful number, since it uses less digits than its factorization.

1900238372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80459 (or 80457 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1900238372 is about 43591.7236640168. The cubic root of 1900238372 is about 1238.6141237063.

The spelling of 1900238372 in words is "one billion, nine hundred million, two hundred thirty-eight thousand, three hundred seventy-two".