803694840 has 128 divisors (see below), whose sum is σ = 2680473600. Its totient is φ = 191439360.

The previous prime is 803694821. The next prime is 803694847. The reversal of 803694840 is 48496308.

It is a junction number, because it is equal to n+sod(n) for n = 803694792 and 803694801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803694847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40051 + ... + 56669.

It is an arithmetic number, because the mean of its divisors is an integer number (20941200).

Almost surely, 2^803694840 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 803694840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1340236800).

803694840 is an abundant number, since it is smaller than the sum of its proper divisors (1876778760).

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

803694840 is a wasteful number, since it uses less digits than its factorization.

803694840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16677 (or 16673 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 803694840 is about 28349.5121651149. The cubic root of 803694840 is about 929.7447328078.

The spelling of 803694840 in words is "eight hundred three million, six hundred ninety-four thousand, eight hundred forty".