214806858 has 16 divisors (see below), whose sum is σ = 490987200. Its totient is φ = 61373376.

The previous prime is 214806853. The next prime is 214806859. The reversal of 214806858 is 858608412.

214806858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×214806858² = 92283972487664328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 5114449 = 214806858 / (2 + 1 + 4 + 8 + 0 + 6 + 8 + 5 + 8).

It is not an unprimeable number, because it can be changed into a prime (214806853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2557183 + ... + 2557266.

It is an arithmetic number, because the mean of its divisors is an integer number (30686700).

Almost surely, 2^214806858 is an apocalyptic number.

214806858 is an abundant number, since it is smaller than the sum of its proper divisors (276180342).

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

214806858 is a wasteful number, since it uses less digits than its factorization.

214806858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5114461.

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 214806858 is about 14656.2907312867. The cubic root of 214806858 is about 598.8931984616.

The spelling of 214806858 in words is "two hundred fourteen million, eight hundred six thousand, eight hundred fifty-eight".