214302789 has 6 divisors (see below), whose sum is σ = 309548486. Its totient is φ = 142868520.

The previous prime is 214302787. The next prime is 214302811. The reversal of 214302789 is 987203412.

It can be written as a sum of positive squares in only one way, i.e., 213890625 + 412164 = 14625^2 + 642^2 .

It is not a de Polignac number, because 214302789 - 2¹ = 214302787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214302787) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11905702 + ... + 11905719.

Almost surely, 2^214302789 is an apocalyptic number.

It is an amenable number.

214302789 is a deficient number, since it is larger than the sum of its proper divisors (95245697).

214302789 is a wasteful number, since it uses less digits than its factorization.

214302789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23811427 (or 23811424 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 214302789 is about 14639.0842951327. The cubic root of 214302789 is about 598.4243742946.

The spelling of 214302789 in words is "two hundred fourteen million, three hundred two thousand, seven hundred eighty-nine".