214289399 has 2 divisors, whose sum is σ = 214289400. Its totient is φ = 214289398.

The previous prime is 214289389. The next prime is 214289419. The reversal of 214289399 is 993982412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214289399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214289389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107144699 + 107144700.

It is an arithmetic number, because the mean of its divisors is an integer number (107144700).

Almost surely, 2^214289399 is an apocalyptic number.

214289399 is a deficient number, since it is larger than the sum of its proper divisors (1).

214289399 is an equidigital number, since it uses as much as digits as its factorization.

214289399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 47.

The square root of 214289399 is about 14638.6269506399. The cubic root of 214289399 is about 598.4119105133.

The spelling of 214289399 in words is "two hundred fourteen million, two hundred eighty-nine thousand, three hundred ninety-nine".