803734890 has 128 divisors (see below), whose sum is σ = 2273177088. Its totient is φ = 178053120.

The previous prime is 803734873. The next prime is 803734901. The reversal of 803734890 is 98437308.

803734890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2384802 + ... + 2385138.

It is an arithmetic number, because the mean of its divisors is an integer number (17759196).

Almost surely, 2^803734890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 803734890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1136588544).

803734890 is an abundant number, since it is smaller than the sum of its proper divisors (1469442198).

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

803734890 is a wasteful number, since it uses less digits than its factorization.

803734890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 803734890 is about 28350.2185176764. The cubic root of 803734890 is about 929.7601763386.

The spelling of 803734890 in words is "eight hundred three million, seven hundred thirty-four thousand, eight hundred ninety".