214428963 has 16 divisors (see below), whose sum is σ = 329806080. Its totient is φ = 121384416.

The previous prime is 214428947. The next prime is 214429001. The reversal of 214428963 is 369824412.

It is not a de Polignac number, because 214428963 - 2⁴ = 214428947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214428943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45468 + ... + 49961.

It is an arithmetic number, because the mean of its divisors is an integer number (20612880).

Almost surely, 2^214428963 is an apocalyptic number.

214428963 is a deficient number, since it is larger than the sum of its proper divisors (115377117).

214428963 is a wasteful number, since it uses less digits than its factorization.

214428963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95546.

The product of its digits is 82944, while the sum is 39.

The square root of 214428963 is about 14643.3931518620. The cubic root of 214428963 is about 598.5417950460.

The spelling of 214428963 in words is "two hundred fourteen million, four hundred twenty-eight thousand, nine hundred sixty-three".