187850940 has 48 divisors (see below), whose sum is σ = 532654080. Its totient is φ = 49458240.

The previous prime is 187850909. The next prime is 187850947. The reversal of 187850940 is 49058781.

It is a junction number, because it is equal to n+sod(n) for n = 187850892 and 187850901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187850947) 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 15 ways as a sum of consecutive naturals, for example, 15076 + ... + 24555.

It is an arithmetic number, because the mean of its divisors is an integer number (11096960).

Almost surely, 2^187850940 is an apocalyptic number.

187850940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

187850940 is an abundant number, since it is smaller than the sum of its proper divisors (344803140).

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

187850940 is a wasteful number, since it uses less digits than its factorization.

187850940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39722 (or 39720 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 187850940 is about 13705.8724640207. The cubic root of 187850940 is about 572.7139885143.

The spelling of 187850940 in words is "one hundred eighty-seven million, eight hundred fifty thousand, nine hundred forty".