897941192 has 8 divisors (see below), whose sum is σ = 1683639750. Its totient is φ = 448970592.

The previous prime is 897941153. The next prime is 897941221. The reversal of 897941192 is 291149798.

It can be written as a sum of positive squares in only one way, i.e., 890067556 + 7873636 = 29834^2 + 2806^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 897941192.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56121317 + ... + 56121332.

Almost surely, 2^897941192 is an apocalyptic number.

It is an amenable number.

897941192 is a deficient number, since it is larger than the sum of its proper divisors (785698558).

897941192 is a wasteful number, since it uses less digits than its factorization.

897941192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112242655 (or 112242651 counting only the distinct ones).

The product of its digits is 326592, while the sum is 50.

The square root of 897941192 is about 29965.6668872895. Note that the first 3 decimals coincide. The cubic root of 897941192 is about 964.7526161220.

The spelling of 897941192 in words is "eight hundred ninety-seven million, nine hundred forty-one thousand, one hundred ninety-two".