897260090 has 16 divisors (see below), whose sum is σ = 1618610472. Its totient is φ = 358116864.

The previous prime is 897260081. The next prime is 897260093. The reversal of 897260090 is 90062798.

It can be written as a sum of positive squares in 4 ways, for example, as 895385929 + 1874161 = 29923^2 + 1369^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (897260093) 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 7 ways as a sum of consecutive naturals, for example, 93599 + ... + 102738.

Almost surely, 2^897260090 is an apocalyptic number.

897260090 is a deficient number, since it is larger than the sum of its proper divisors (721350382).

897260090 is a wasteful number, since it uses less digits than its factorization.

897260090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196801.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 897260090 is about 29954.3000252051. The cubic root of 897260090 is about 964.5086279295.

The spelling of 897260090 in words is "eight hundred ninety-seven million, two hundred sixty thousand, ninety".