214328403 has 8 divisors (see below), whose sum is σ = 317523600. Its totient is φ = 142885584.

The previous prime is 214328399. The next prime is 214328407. The reversal of 214328403 is 304823412.

It is an interprime number because it is at equal distance from previous prime (214328399) and next prime (214328407).

It is not a de Polignac number, because 214328403 - 2² = 214328399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7938089 = 214328403 / (2 + 1 + 4 + 3 + 2 + 8 + 4 + 0 + 3).

It is not an unprimeable number, because it can be changed into a prime (214328407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3969018 + ... + 3969071.

It is an arithmetic number, because the mean of its divisors is an integer number (39690450).

Almost surely, 2^214328403 is an apocalyptic number.

214328403 is a deficient number, since it is larger than the sum of its proper divisors (103195197).

214328403 is an equidigital number, since it uses as much as digits as its factorization.

214328403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7938098 (or 7938092 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 214328403 is about 14639.9591187954. The cubic root of 214328403 is about 598.4482150658.

The spelling of 214328403 in words is "two hundred fourteen million, three hundred twenty-eight thousand, four hundred three".