214949279 has 4 divisors (see below), whose sum is σ = 214991784. Its totient is φ = 214906776.

The previous prime is 214949269. The next prime is 214949281. The reversal of 214949279 is 972949412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214949279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214949209) 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, 12452 + ... + 24185.

It is an arithmetic number, because the mean of its divisors is an integer number (53747946).

Almost surely, 2^214949279 is an apocalyptic number.

214949279 is a deficient number, since it is larger than the sum of its proper divisors (42505).

214949279 is an equidigital number, since it uses as much as digits as its factorization.

214949279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42504.

The product of its digits is 326592, while the sum is 47.

The square root of 214949279 is about 14661.1486248520. The cubic root of 214949279 is about 599.0255283838.

The spelling of 214949279 in words is "two hundred fourteen million, nine hundred forty-nine thousand, two hundred seventy-nine".