214320438 has 16 divisors (see below), whose sum is σ = 476267760. Its totient is φ = 71440128.

The previous prime is 214320427. The next prime is 214320439. The reversal of 214320438 is 834023412.

It is a super-3 number, since 3×214320438³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214320439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1984395 + ... + 1984502.

It is an arithmetic number, because the mean of its divisors is an integer number (29766735).

Almost surely, 2^214320438 is an apocalyptic number.

214320438 is an abundant number, since it is smaller than the sum of its proper divisors (261947322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214320438 is a wasteful number, since it uses less digits than its factorization.

214320438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968908 (or 3968902 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 214320438 is about 14639.6870868199. The cubic root of 214320438 is about 598.4408016774.

The spelling of 214320438 in words is "two hundred fourteen million, three hundred twenty thousand, four hundred thirty-eight".