897437726 has 8 divisors (see below), whose sum is σ = 1346731464. Its totient is φ = 448527240.

The previous prime is 897437707. The next prime is 897437729. The reversal of 897437726 is 627734798.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897437729) 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, 89885 + ... + 99368.

It is an arithmetic number, because the mean of its divisors is an integer number (168341433).

Almost surely, 2^897437726 is an apocalyptic number.

897437726 is a deficient number, since it is larger than the sum of its proper divisors (449293738).

897437726 is a wasteful number, since it uses less digits than its factorization.

897437726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191626.

The product of its digits is 3556224, while the sum is 53.

The square root of 897437726 is about 29957.2649953229. The cubic root of 897437726 is about 964.5722735960.

The spelling of 897437726 in words is "eight hundred ninety-seven million, four hundred thirty-seven thousand, seven hundred twenty-six".