187854942 has 16 divisors (see below), whose sum is σ = 409865472. Its totient is φ = 56925720.

The previous prime is 187854941. The next prime is 187854959. The reversal of 187854942 is 249458781.

It is a happy number.

187854942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 187854891 and 187854900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187854941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1423078 + ... + 1423209.

It is an arithmetic number, because the mean of its divisors is an integer number (25616592).

Almost surely, 2^187854942 is an apocalyptic number.

187854942 is an abundant number, since it is smaller than the sum of its proper divisors (222010530).

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

187854942 is a wasteful number, since it uses less digits than its factorization.

187854942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846303.

The product of its digits is 645120, while the sum is 48.

The square root of 187854942 is about 13706.0184590566. The cubic root of 187854942 is about 572.7180555424.

The spelling of 187854942 in words is "one hundred eighty-seven million, eight hundred fifty-four thousand, nine hundred forty-two".