214405308 has 72 divisors (see below), whose sum is σ = 589800848. Its totient is φ = 65276928.

The previous prime is 214405283. The next prime is 214405319. The reversal of 214405308 is 803504412.

214405308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43035 + ... + 47757.

Almost surely, 2^214405308 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 214405308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294900424).

214405308 is an abundant number, since it is smaller than the sum of its proper divisors (375395540).

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

214405308 is a wasteful number, since it uses less digits than its factorization.

214405308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843 (or 4838 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 214405308 is about 14642.5854274442. The cubic root of 214405308 is about 598.5197846070.

The spelling of 214405308 in words is "two hundred fourteen million, four hundred five thousand, three hundred eight".