214864449 has 4 divisors (see below), whose sum is σ = 286485936. Its totient is φ = 143242964.

The previous prime is 214864427. The next prime is 214864493. The reversal of 214864449 is 944468412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 214864449 - 2⁹ = 214863937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214864449.

It is not an unprimeable number, because it can be changed into a prime (214864549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35810739 + ... + 35810744.

It is an arithmetic number, because the mean of its divisors is an integer number (71621484).

Almost surely, 2^214864449 is an apocalyptic number.

It is an amenable number.

214864449 is a deficient number, since it is larger than the sum of its proper divisors (71621487).

214864449 is an equidigital number, since it uses as much as digits as its factorization.

214864449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71621486.

The product of its digits is 221184, while the sum is 42.

The square root of 214864449 is about 14658.2553191026. The cubic root of 214864449 is about 598.9467159587.

The spelling of 214864449 in words is "two hundred fourteen million, eight hundred sixty-four thousand, four hundred forty-nine".