214231887 has 24 divisors (see below), whose sum is σ = 319420400. Its totient is φ = 138257280.

The previous prime is 214231877. The next prime is 214231907. The reversal of 214231887 is 788132412.

It is not a de Polignac number, because 214231887 - 2¹⁴ = 214215503 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214231877) 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, 68739 + ... + 71787.

Almost surely, 2^214231887 is an apocalyptic number.

214231887 is a deficient number, since it is larger than the sum of its proper divisors (105188513).

214231887 is a wasteful number, since it uses less digits than its factorization.

214231887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303 (or 3300 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 214231887 is about 14636.6624269333. The cubic root of 214231887 is about 598.3583708526.

The spelling of 214231887 in words is "two hundred fourteen million, two hundred thirty-one thousand, eight hundred eighty-seven".