2804336638 has 8 divisors (see below), whose sum is σ = 4206800088. Its totient is φ = 1402069944.

The previous prime is 2804336621. The next prime is 2804336641. The reversal of 2804336638 is 8366334082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2804336594 and 2804336603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5956 + ... + 75127.

It is an arithmetic number, because the mean of its divisors is an integer number (525850011).

Almost surely, 2^2804336638 is an apocalyptic number.

2804336638 is a deficient number, since it is larger than the sum of its proper divisors (1402463450).

2804336638 is a wasteful number, since it uses less digits than its factorization.

2804336638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98378.

The product of its (nonzero) digits is 497664, while the sum is 43.

The square root of 2804336638 is about 52955.9877445412. The cubic root of 2804336638 is about 1410.1870278206.

The spelling of 2804336638 in words is "two billion, eight hundred four million, three hundred thirty-six thousand, six hundred thirty-eight".