1897268 has 12 divisors (see below), whose sum is σ = 3515652. Its totient is φ = 892800.

The previous prime is 1897243. The next prime is 1897277. The reversal of 1897268 is 8627981.

It can be written as a sum of positive squares in 2 ways, for example, as 1607824 + 289444 = 1268^2 + 538^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13883 + ... + 14018.

It is an arithmetic number, because the mean of its divisors is an integer number (292971).

2^1897268 is an apocalyptic number.

It is an amenable number.

1897268 is a deficient number, since it is larger than the sum of its proper divisors (1618384).

1897268 is a wasteful number, since it uses less digits than its factorization.

1897268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27922 (or 27920 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The square root of 1897268 is about 1377.4135181564. The cubic root of 1897268 is about 123.7968404120.

The spelling of 1897268 in words is "one million, eight hundred ninety-seven thousand, two hundred sixty-eight".