1903896 has 48 divisors (see below), whose sum is σ = 5328960. Its totient is φ = 613440.

The previous prime is 1903877. The next prime is 1903897. The reversal of 1903896 is 6983091.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1903896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1903897) 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, 1806 + ... + 2658.

It is an arithmetic number, because the mean of its divisors is an integer number (111020).

2^1903896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1903896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2664480).

1903896 is an abundant number, since it is smaller than the sum of its proper divisors (3425064).

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

1903896 is a wasteful number, since it uses less digits than its factorization.

1903896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1903896 is about 1379.8173792209. The cubic root of 1903896 is about 123.9408319869.

The spelling of 1903896 in words is "one million, nine hundred three thousand, eight hundred ninety-six".