897622733 has 8 divisors (see below), whose sum is σ = 1031011200. Its totient is φ = 765523440.

The previous prime is 897622711. The next prime is 897622741. The reversal of 897622733 is 337226798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 897622733 - 2⁶ = 897622669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897622333) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 320798 + ... + 323583.

It is an arithmetic number, because the mean of its divisors is an integer number (128876400).

Almost surely, 2^897622733 is an apocalyptic number.

It is an amenable number.

897622733 is a deficient number, since it is larger than the sum of its proper divisors (133388467).

897622733 is a wasteful number, since it uses less digits than its factorization.

897622733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644587.

The product of its digits is 762048, while the sum is 47.

The square root of 897622733 is about 29960.3526848400. The cubic root of 897622733 is about 964.6385513095.

The spelling of 897622733 in words is "eight hundred ninety-seven million, six hundred twenty-two thousand, seven hundred thirty-three".