1897056 has 72 divisors (see below), whose sum is σ = 6171984. Its totient is φ = 541440.

The previous prime is 1897037. The next prime is 1897057. The reversal of 1897056 is 6507981.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1897056.

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, 1546 + ... + 2486.

It is an arithmetic number, because the mean of its divisors is an integer number (85722).

2^1897056 is an apocalyptic number.

1897056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1897056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3085992).

1897056 is an abundant number, since it is smaller than the sum of its proper divisors (4274928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1897056 is a wasteful number, since it uses less digits than its factorization.

1897056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1897056 is about 1377.3365601769. The cubic root of 1897056 is about 123.7922292364.

The spelling of 1897056 in words is "one million, eight hundred ninety-seven thousand, fifty-six".