3728227049 has 8 divisors (see below), whose sum is σ = 3740774400. Its totient is φ = 3715699456.

The previous prime is 3728226977. The next prime is 3728227057. The reversal of 3728227049 is 9407228273.

It is a happy number.

3728227049 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3728227049 - 2²⁰ = 3727178473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3728227079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437144 + ... + 445590.

It is an arithmetic number, because the mean of its divisors is an integer number (467596800).

Almost surely, 2^3728227049 is an apocalyptic number.

It is an amenable number.

3728227049 is a deficient number, since it is larger than the sum of its proper divisors (12547351).

3728227049 is an equidigital number, since it uses as much as digits as its factorization.

3728227049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9879.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 3728227049 is about 61059.2093709049. The cubic root of 3728227049 is about 1550.6035871944.

The spelling of 3728227049 in words is "three billion, seven hundred twenty-eight million, two hundred twenty-seven thousand, forty-nine".