214499997 has 12 divisors (see below), whose sum is σ = 309984064. Its totient is φ = 142930440.

The previous prime is 214499993. The next prime is 214500043. The reversal of 214499997 is 799994412.

214499997 is a `hidden beast` number, since 21 + 449 + 99 + 97 = 666.

It is not a de Polignac number, because 214499997 - 2² = 214499993 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 (214499993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19578 + ... + 28500.

Almost surely, 2^214499997 is an apocalyptic number.

It is an amenable number.

214499997 is a deficient number, since it is larger than the sum of its proper divisors (95484067).

214499997 is a wasteful number, since it uses less digits than its factorization.

214499997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11600 (or 11597 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 214499997 is about 14645.8184134585. The cubic root of 214499997 is about 598.6078808385.

It can be divided in two parts, 214499 and 997, that added together give a triangular number (215496 = T₆₅₆).

The spelling of 214499997 in words is "two hundred fourteen million, four hundred ninety-nine thousand, nine hundred ninety-seven".