214892397 has 12 divisors (see below), whose sum is σ = 310527360. Its totient is φ = 143202888.

The previous prime is 214892351. The next prime is 214892401. The reversal of 214892397 is 793298412.

It is not a de Polignac number, because 214892397 - 2⁸ = 214892141 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214892297) 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, 39178 + ... + 44324.

It is an arithmetic number, because the mean of its divisors is an integer number (25877280).

Almost surely, 2^214892397 is an apocalyptic number.

It is an amenable number.

214892397 is a deficient number, since it is larger than the sum of its proper divisors (95634963).

214892397 is a wasteful number, since it uses less digits than its factorization.

214892397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9792 (or 9789 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 214892397 is about 14659.2086075613. The cubic root of 214892397 is about 598.9726837059.

The spelling of 214892397 in words is "two hundred fourteen million, eight hundred ninety-two thousand, three hundred ninety-seven".