897745338 has 48 divisors (see below), whose sum is σ = 2319647616. Its totient is φ = 245345760.

The previous prime is 897745309. The next prime is 897745363. The reversal of 897745338 is 833547798.

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 in 23 ways as a sum of consecutive naturals, for example, 151993 + ... + 157788.

It is an arithmetic number, because the mean of its divisors is an integer number (48325992).

Almost surely, 2^897745338 is an apocalyptic number.

897745338 is an abundant number, since it is smaller than the sum of its proper divisors (1421902278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

897745338 is a wasteful number, since it uses less digits than its factorization.

897745338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309819 (or 309816 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 897745338 is about 29962.3987357488. The cubic root of 897745338 is about 964.6824688415.

The spelling of 897745338 in words is "eight hundred ninety-seven million, seven hundred forty-five thousand, three hundred thirty-eight".