3904798049 has 4 divisors (see below), whose sum is σ = 3906674736. Its totient is φ = 3902921364.

The previous prime is 3904798043. The next prime is 3904798087. The reversal of 3904798049 is 9408974093.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3904798049 - 2⁴ = 3904798033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3904798043) 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, 935219 + ... + 939384.

It is an arithmetic number, because the mean of its divisors is an integer number (976668684).

Almost surely, 2^3904798049 is an apocalyptic number.

It is an amenable number.

3904798049 is a deficient number, since it is larger than the sum of its proper divisors (1876687).

3904798049 is a wasteful number, since it uses less digits than its factorization.

3904798049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876686.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 3904798049 is about 62488.3833124206. The cubic root of 3904798049 is about 1574.7061582000.

The spelling of 3904798049 in words is "three billion, nine hundred four million, seven hundred ninety-eight thousand, forty-nine".