1887939452 has 24 divisors (see below), whose sum is σ = 3940048896. Its totient is φ = 773937648.

The previous prime is 1887939439. The next prime is 1887939457. The reversal of 1887939452 is 2549397881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1887939457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465148 + ... + 1466435.

It is an arithmetic number, because the mean of its divisors is an integer number (164168704).

Almost surely, 2^1887939452 is an apocalyptic number.

It is an amenable number.

1887939452 is an abundant number, since it is smaller than the sum of its proper divisors (2052109444).

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

1887939452 is a wasteful number, since it uses less digits than its factorization.

1887939452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931617 (or 2931615 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 56.

The square root of 1887939452 is about 43450.4252223151. The cubic root of 1887939452 is about 1235.9361087686.

The spelling of 1887939452 in words is "one billion, eight hundred eighty-seven million, nine hundred thirty-nine thousand, four hundred fifty-two".