187382641 has 4 divisors (see below), whose sum is σ = 187501284. Its totient is φ = 187264000.

The previous prime is 187382639. The next prime is 187382677. The reversal of 187382641 is 146283781.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 160757041 + 26625600 = 12679^2 + 5160^2 .

It is a cyclic number.

It is not a de Polignac number, because 187382641 - 2¹ = 187382639 is a prime.

It is a super-2 number, since 2×187382641² = 70224508296269762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 187382594 and 187382603.

It is not an unprimeable number, because it can be changed into a prime (187382141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56920 + ... + 60121.

It is an arithmetic number, because the mean of its divisors is an integer number (46875321).

Almost surely, 2^187382641 is an apocalyptic number.

It is an amenable number.

187382641 is a deficient number, since it is larger than the sum of its proper divisors (118643).

187382641 is a wasteful number, since it uses less digits than its factorization.

187382641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118642.

The product of its digits is 64512, while the sum is 40.

The square root of 187382641 is about 13688.7779220791. Note that the first 3 decimals coincide. The cubic root of 187382641 is about 572.2376807811.

The spelling of 187382641 in words is "one hundred eighty-seven million, three hundred eighty-two thousand, six hundred forty-one".