897534738 has 12 divisors (see below), whose sum is σ = 1944658638. Its totient is φ = 299178240.

The previous prime is 897534707. The next prime is 897534751. The reversal of 897534738 is 837435798.

It can be written as a sum of positive squares in only one way, i.e., 565821369 + 331713369 = 23787^2 + 18213^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 24931503 + ... + 24931538.

Almost surely, 2^897534738 is an apocalyptic number.

897534738 is an abundant number, since it is smaller than the sum of its proper divisors (1047123900).

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

897534738 is a wasteful number, since it uses less digits than its factorization.

897534738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49863049 (or 49863046 counting only the distinct ones).

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

The square root of 897534738 is about 29958.8841247467. The cubic root of 897534738 is about 964.6070287332.

The spelling of 897534738 in words is "eight hundred ninety-seven million, five hundred thirty-four thousand, seven hundred thirty-eight".