897409242 has 12 divisors (see below), whose sum is σ = 1944386730. Its totient is φ = 299136408.

The previous prime is 897409241. The next prime is 897409267. The reversal of 897409242 is 242904798.

It can be written as a sum of positive squares in only one way, i.e., 685444761 + 211964481 = 26181^2 + 14559^2 .

It is not an unprimeable number, because it can be changed into a prime (897409241) 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 5 ways as a sum of consecutive naturals, for example, 24928017 + ... + 24928052.

Almost surely, 2^897409242 is an apocalyptic number.

897409242 is an abundant number, since it is smaller than the sum of its proper divisors (1046977488).

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

897409242 is a wasteful number, since it uses less digits than its factorization.

897409242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49856077 (or 49856074 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 897409242 is about 29956.7895809948. The cubic root of 897409242 is about 964.5620685547.

The spelling of 897409242 in words is "eight hundred ninety-seven million, four hundred nine thousand, two hundred forty-two".