1004497849 has 4 divisors (see below), whose sum is σ = 1004569060. Its totient is φ = 1004426640.

The previous prime is 1004497843. The next prime is 1004497873. The reversal of 1004497849 is 9487944001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 561690000 + 442807849 = 23700^2 + 21043^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004497849 - 2¹⁵ = 1004465081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1004497799 and 1004497808.

It is not an unprimeable number, because it can be changed into a prime (1004497843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6534 + ... + 45295.

It is an arithmetic number, because the mean of its divisors is an integer number (251142265).

Almost surely, 2^1004497849 is an apocalyptic number.

It is an amenable number.

1004497849 is a deficient number, since it is larger than the sum of its proper divisors (71211).

1004497849 is an equidigital number, since it uses as much as digits as its factorization.

1004497849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71210.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 1004497849 is about 31693.8140494324. The cubic root of 1004497849 is about 1001.4970407506.

The spelling of 1004497849 in words is "one billion, four million, four hundred ninety-seven thousand, eight hundred forty-nine".