897948004 has 12 divisors (see below), whose sum is σ = 1574174700. Its totient is φ = 448183808.

The previous prime is 897948001. The next prime is 897948043. The reversal of 897948004 is 400849798.

It can be written as a sum of positive squares in 2 ways, for example, as 521665600 + 376282404 = 22840^2 + 19398^2 .

It is not an unprimeable number, because it can be changed into a prime (897948001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194989 + ... + 199540.

It is an arithmetic number, because the mean of its divisors is an integer number (131181225).

Almost surely, 2^897948004 is an apocalyptic number.

It is an amenable number.

897948004 is a deficient number, since it is larger than the sum of its proper divisors (676226696).

897948004 is a wasteful number, since it uses less digits than its factorization.

897948004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395102 (or 395100 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 897948004 is about 29965.7805504879. The cubic root of 897948004 is about 964.7550557317.

The spelling of 897948004 in words is "eight hundred ninety-seven million, nine hundred forty-eight thousand, four".