214536987 has 24 divisors (see below), whose sum is σ = 354688256. Its totient is φ = 122408496.

The previous prime is 214536967. The next prime is 214537021. The reversal of 214536987 is 789635412.

214536987 is a `hidden beast` number, since 21 + 4 + 536 + 98 + 7 = 666.

214536987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 214536987 - 2⁸ = 214536731 is a prime.

It is a super-2 number, since 2×214536987² = 92052237582076338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214536967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47418 + ... + 51744.

Almost surely, 2^214536987 is an apocalyptic number.

214536987 is a deficient number, since it is larger than the sum of its proper divisors (140151269).

214536987 is a wasteful number, since it uses less digits than its factorization.

214536987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127 (or 5124 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 214536987 is about 14647.0811768079. The cubic root of 214536987 is about 598.6422883492.

The spelling of 214536987 in words is "two hundred fourteen million, five hundred thirty-six thousand, nine hundred eighty-seven".