1897055 has 12 divisors (see below), whose sum is σ = 2404872. Its totient is φ = 1436400.

The previous prime is 1897037. The next prime is 1897057. The reversal of 1897055 is 5507981.

It is not a de Polignac number, because 1897055 - 2⁶ = 1896991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1897057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1280 + ... + 2330.

It is an arithmetic number, because the mean of its divisors is an integer number (200406).

2^1897055 is an apocalyptic number.

1897055 is a deficient number, since it is larger than the sum of its proper divisors (507817).

1897055 is a wasteful number, since it uses less digits than its factorization.

1897055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 1897055 is about 1377.3361971574. The cubic root of 1897055 is about 123.7922074848.

The spelling of 1897055 in words is "one million, eight hundred ninety-seven thousand, fifty-five".