1897359 has 8 divisors (see below), whose sum is σ = 2663040. Its totient is φ = 1198296.

The previous prime is 1897327. The next prime is 1897361. The reversal of 1897359 is 9537981.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1897359 - 2⁵ = 1897327 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1897359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1897459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16587 + ... + 16700.

It is an arithmetic number, because the mean of its divisors is an integer number (332880).

2^1897359 is an apocalyptic number.

1897359 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1897359 is a deficient number, since it is larger than the sum of its proper divisors (765681).

1897359 is a wasteful number, since it uses less digits than its factorization.

1897359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33309.

The product of its digits is 68040, while the sum is 42.

The square root of 1897359 is about 1377.4465506872. The cubic root of 1897359 is about 123.7988196320.

The spelling of 1897359 in words is "one million, eight hundred ninety-seven thousand, three hundred fifty-nine".