214404273 has 16 divisors (see below), whose sum is σ = 317861440. Its totient is φ = 142834752.

The previous prime is 214404269. The next prime is 214404287. The reversal of 214404273 is 372404412.

214404273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 214404273 - 2² = 214404269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214404173) 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, 74265 + ... + 77097.

It is an arithmetic number, because the mean of its divisors is an integer number (19866340).

Almost surely, 2^214404273 is an apocalyptic number.

It is an amenable number.

214404273 is a deficient number, since it is larger than the sum of its proper divisors (103457167).

214404273 is a wasteful number, since it uses less digits than its factorization.

214404273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5645 (or 5639 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 214404273 is about 14642.5500852823. The cubic root of 214404273 is about 598.5188215260.

Adding to 214404273 its reverse (372404412), we get a palindrome (586808685).

The spelling of 214404273 in words is "two hundred fourteen million, four hundred four thousand, two hundred seventy-three".