214992378 has 24 divisors (see below), whose sum is σ = 480844416. Its totient is φ = 69352200.

The previous prime is 214992367. The next prime is 214992383. The reversal of 214992378 is 873299412.

214992378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 192088 + ... + 193203.

It is an arithmetic number, because the mean of its divisors is an integer number (20035184).

Almost surely, 2^214992378 is an apocalyptic number.

214992378 is an abundant number, since it is smaller than the sum of its proper divisors (265852038).

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

214992378 is a wasteful number, since it uses less digits than its factorization.

214992378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385330 (or 385327 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 214992378 is about 14662.6183882689. The cubic root of 214992378 is about 599.0655621319.

The spelling of 214992378 in words is "two hundred fourteen million, nine hundred ninety-two thousand, three hundred seventy-eight".