803049428 has 12 divisors (see below), whose sum is σ = 1431852660. Its totient is φ = 393948672.

The previous prime is 803049391. The next prime is 803049431. The reversal of 803049428 is 824940308.

It can be written as a sum of positive squares in 2 ways, for example, as 233845264 + 569204164 = 15292^2 + 23858^2 .

It is a super-2 number, since 2×803049428² = 1289776767622254368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 803049391 and 803049400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1893773 + ... + 1894196.

It is an arithmetic number, because the mean of its divisors is an integer number (119321055).

Almost surely, 2^803049428 is an apocalyptic number.

It is an amenable number.

803049428 is a deficient number, since it is larger than the sum of its proper divisors (628803232).

803049428 is a wasteful number, since it uses less digits than its factorization.

803049428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788026 (or 3788024 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 803049428 is about 28338.1267553097. The cubic root of 803049428 is about 929.4957871140.

The spelling of 803049428 in words is "eight hundred three million, forty-nine thousand, four hundred twenty-eight".