1004427616 has 12 divisors (see below), whose sum is σ = 1977466932. Its totient is φ = 502213792.

The previous prime is 1004427601. The next prime is 1004427617. The reversal of 1004427616 is 6167244001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004427617) 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 as a sum of consecutive naturals, namely, 15694150 + ... + 15694213.

It is an arithmetic number, because the mean of its divisors is an integer number (164788911).

Almost surely, 2^1004427616 is an apocalyptic number.

1004427616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1004427616 is a deficient number, since it is larger than the sum of its proper divisors (973039316).

1004427616 is an equidigital number, since it uses as much as digits as its factorization.

1004427616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31388373 (or 31388365 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1004427616 is about 31692.7060378252. The cubic root of 1004427616 is about 1001.4736991440.

The spelling of 1004427616 in words is "one billion, four million, four hundred twenty-seven thousand, six hundred sixteen".