897185471 has 16 divisors (see below), whose sum is σ = 1111656000. Its totient is φ = 705086208.

The previous prime is 897185459. The next prime is 897185473. The reversal of 897185471 is 174581798.

It is a cyclic number.

It is not a de Polignac number, because 897185471 - 2¹⁴ = 897169087 is a prime.

It is a super-3 number, since 3×897185471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897185473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19526 + ... + 46643.

It is an arithmetic number, because the mean of its divisors is an integer number (69478500).

Almost surely, 2^897185471 is an apocalyptic number.

897185471 is a deficient number, since it is larger than the sum of its proper divisors (214470529).

897185471 is a wasteful number, since it uses less digits than its factorization.

897185471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66338.

The product of its digits is 564480, while the sum is 50.

The square root of 897185471 is about 29953.0544519253. The cubic root of 897185471 is about 964.4818899876.

The spelling of 897185471 in words is "eight hundred ninety-seven million, one hundred eighty-five thousand, four hundred seventy-one".