897438467 has 4 divisors (see below), whose sum is σ = 897518496. Its totient is φ = 897358440.

The previous prime is 897438431. The next prime is 897438469. The reversal of 897438467 is 764834798.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 897438467 - 2¹⁸ = 897176323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897438469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19784 + ... + 46757.

It is an arithmetic number, because the mean of its divisors is an integer number (224379624).

Almost surely, 2^897438467 is an apocalyptic number.

897438467 is a deficient number, since it is larger than the sum of its proper divisors (80029).

897438467 is a wasteful number, since it uses less digits than its factorization.

897438467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80028.

The product of its digits is 8128512, while the sum is 56.

The square root of 897438467 is about 29957.2773629380. The cubic root of 897438467 is about 964.5725390733.

The spelling of 897438467 in words is "eight hundred ninety-seven million, four hundred thirty-eight thousand, four hundred sixty-seven".