897634862 has 4 divisors (see below), whose sum is σ = 1346452296. Its totient is φ = 448817430.

The previous prime is 897634789. The next prime is 897634873. The reversal of 897634862 is 268436798.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224408714 + ... + 224408717.

It is an arithmetic number, because the mean of its divisors is an integer number (336613074).

Almost surely, 2^897634862 is an apocalyptic number.

897634862 is a deficient number, since it is larger than the sum of its proper divisors (448817434).

897634862 is a wasteful number, since it uses less digits than its factorization.

897634862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448817433.

The product of its digits is 3483648, while the sum is 53.

The square root of 897634862 is about 29960.5551016666. Note that the first 3 decimals coincide. The cubic root of 897634862 is about 964.6428961372.

The spelling of 897634862 in words is "eight hundred ninety-seven million, six hundred thirty-four thousand, eight hundred sixty-two".