214028864 has 84 divisors (see below), whose sum is σ = 498622320. Its totient is φ = 90881280.

The previous prime is 214028839. The next prime is 214028873. The reversal of 214028864 is 468820412.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 435659 + ... + 436149.

It is an arithmetic number, because the mean of its divisors is an integer number (5935980).

Almost surely, 2^214028864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214028864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249311160).

214028864 is an abundant number, since it is smaller than the sum of its proper divisors (284593456).

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

214028864 is a wasteful number, since it uses less digits than its factorization.

214028864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 214028864 is about 14629.7253562738. The cubic root of 214028864 is about 598.1692939474.

The spelling of 214028864 in words is "two hundred fourteen million, twenty-eight thousand, eight hundred sixty-four".