1003678444 has 12 divisors (see below), whose sum is σ = 1813096768. Its totient is φ = 485650800.

The previous prime is 1003678433. The next prime is 1003678447. The reversal of 1003678444 is 4448763001.

It is a super-2 number, since 2×1003678444² = 2014740837900522272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1003678447) 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 3 ways as a sum of consecutive naturals, for example, 4046967 + ... + 4047214.

Almost surely, 2^1003678444 is an apocalyptic number.

It is an amenable number.

1003678444 is a deficient number, since it is larger than the sum of its proper divisors (809418324).

1003678444 is a wasteful number, since it uses less digits than its factorization.

1003678444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8094216 (or 8094214 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 1003678444 is about 31680.8845204802. The cubic root of 1003678444 is about 1001.2246476260.

It can be divided in two parts, 100367 and 8444, that added together give a triangular number (108811 = T₄₆₆).

The spelling of 1003678444 in words is "one billion, three million, six hundred seventy-eight thousand, four hundred forty-four".