1004678445 has 16 divisors (see below), whose sum is σ = 1644869952. Its totient is φ = 523367040.

The previous prime is 1004678429. The next prime is 1004678449. The reversal of 1004678445 is 5448764001.

It is not a de Polignac number, because 1004678445 - 2⁴ = 1004678429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004678449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778176 + ... + 779465.

It is an arithmetic number, because the mean of its divisors is an integer number (102804372).

Almost surely, 2^1004678445 is an apocalyptic number.

1004678445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1004678445 is a deficient number, since it is larger than the sum of its proper divisors (640191507).

1004678445 is a wasteful number, since it uses less digits than its factorization.

1004678445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557692.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 1004678445 is about 31696.6629947066. The cubic root of 1004678445 is about 1001.5570559850.

The spelling of 1004678445 in words is "one billion, four million, six hundred seventy-eight thousand, four hundred forty-five".