1808496 has 60 divisors (see below), whose sum is σ = 5335720. Its totient is φ = 570240.

The previous prime is 1808491. The next prime is 1808497. The reversal of 1808496 is 6948081.

It is a happy number.

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 1808496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1808491) 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, 2406 + ... + 3066.

2^1808496 is an apocalyptic number.

1808496 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 1808496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2667860).

1808496 is an abundant number, since it is smaller than the sum of its proper divisors (3527224).

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

1808496 is a wasteful number, since it uses less digits than its factorization.

1808496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1808496 is about 1344.8033313463. The cubic root of 1808496 is about 121.8351262064.

It can be divided in two parts, 1808 and 496, that added together give a square (2304 = 48²).

The spelling of 1808496 in words is "one million, eight hundred eight thousand, four hundred ninety-six".