803490436 has 18 divisors (see below), whose sum is σ = 1635677358. Its totient is φ = 344352960.

The previous prime is 803490433. The next prime is 803490437. The reversal of 803490436 is 634094308.

It can be written as a sum of positive squares in only one way, i.e., 733868100 + 69622336 = 27090^2 + 8344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 803490395 and 803490404.

It is not an unprimeable number, because it can be changed into a prime (803490433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2049525 + ... + 2049916.

Almost surely, 2^803490436 is an apocalyptic number.

It is an amenable number.

803490436 is an abundant number, since it is smaller than the sum of its proper divisors (832186922).

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

803490436 is a wasteful number, since it uses less digits than its factorization.

803490436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099459 (or 4099450 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 803490436 is about 28345.9068650132. The cubic root of 803490436 is about 929.6659053531.

The spelling of 803490436 in words is "eight hundred three million, four hundred ninety thousand, four hundred thirty-six".