403798444 has 12 divisors (see below), whose sum is σ = 807596944. Its totient is φ = 173056464.

The previous prime is 403798391. The next prime is 403798453. The reversal of 403798444 is 444897304.

403798444 is an admirable number.

It is a super-2 number, since 2×403798444² = 326106366753642272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 403798444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7210659 + ... + 7210714.

Almost surely, 2^403798444 is an apocalyptic number.

It is an amenable number.

403798444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

403798444 is a wasteful number, since it uses less digits than its factorization.

403798444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14421384 (or 14421382 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 403798444 is about 20094.7367238290. The cubic root of 403798444 is about 739.1312205071.

The spelling of 403798444 in words is "four hundred three million, seven hundred ninety-eight thousand, four hundred forty-four".