214400487 has 16 divisors (see below), whose sum is σ = 327031040. Its totient is φ = 122392512.

The previous prime is 214400467. The next prime is 214400491. The reversal of 214400487 is 784004412.

It is not a de Polignac number, because 214400487 - 2⁸ = 214400231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214400467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19188 + ... + 28230.

It is an arithmetic number, because the mean of its divisors is an integer number (20439440).

Almost surely, 2^214400487 is an apocalyptic number.

214400487 is a deficient number, since it is larger than the sum of its proper divisors (112630553).

214400487 is a wasteful number, since it uses less digits than its factorization.

214400487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10182.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 214400487 is about 14642.4208039518. The cubic root of 214400487 is about 598.5152985776.

Adding to 214400487 its reverse (784004412), we get a palindrome (998404899).

The spelling of 214400487 in words is "two hundred fourteen million, four hundred thousand, four hundred eighty-seven".