214308865 has 8 divisors (see below), whose sum is σ = 258087528. Its totient is φ = 170835840.

The previous prime is 214308841. The next prime is 214308877. The reversal of 214308865 is 568803412.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 56655729 + 157653136 = 7527^2 + 12556^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 214308865 - 2⁵ = 214308833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74862 + ... + 77671.

It is an arithmetic number, because the mean of its divisors is an integer number (32260941).

Almost surely, 2^214308865 is an apocalyptic number.

It is an amenable number.

214308865 is a deficient number, since it is larger than the sum of its proper divisors (43778663).

214308865 is a wasteful number, since it uses less digits than its factorization.

214308865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152819.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 214308865 is about 14639.2918203033. The cubic root of 214308865 is about 598.4300298317.

The spelling of 214308865 in words is "two hundred fourteen million, three hundred eight thousand, eight hundred sixty-five".