897290 has 16 divisors (see below), whose sum is σ = 1646568. Its totient is φ = 351936.

The previous prime is 897271. The next prime is 897301. The reversal of 897290 is 92798.

It can be written as a sum of positive squares in 4 ways, for example, as 755161 + 142129 = 869^2 + 377^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 897290.

It is an unprimeable number.

897290 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317 + ... + 1376.

2⁸⁹⁷²⁹⁰ is an apocalyptic number.

897290 is a deficient number, since it is larger than the sum of its proper divisors (749278).

897290 is a wasteful number, since it uses less digits than its factorization.

897290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 897290 is about 947.2539258298. The cubic root of 897290 is about 96.4519345050.

The spelling of 897290 in words is "eight hundred ninety-seven thousand, two hundred ninety".