897682190 has 32 divisors (see below), whose sum is σ = 1706766336. Its totient is φ = 339403680.

The previous prime is 897682133. The next prime is 897682193. The reversal of 897682190 is 91286798.

It is a super-2 number, since 2×897682190² = 1611666628486392200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897682193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20342 + ... + 47001.

It is an arithmetic number, because the mean of its divisors is an integer number (53336448).

Almost surely, 2^897682190 is an apocalyptic number.

897682190 is a deficient number, since it is larger than the sum of its proper divisors (809084146).

897682190 is a wasteful number, since it uses less digits than its factorization.

897682190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67424.

The product of its (nonzero) digits is 435456, while the sum is 50.

The square root of 897682190 is about 29961.3449297591. The cubic root of 897682190 is about 964.6598495104.

The spelling of 897682190 in words is "eight hundred ninety-seven million, six hundred eighty-two thousand, one hundred ninety".