4428900397 has 4 divisors (see below), whose sum is σ = 4495003456. Its totient is φ = 4362797340.

The previous prime is 4428900383. The next prime is 4428900439. The reversal of 4428900397 is 7930098244.

It is a happy number.

4428900397 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4428900397 - 2¹⁹ = 4428376109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4428900347) 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, 33051429 + ... + 33051562.

It is an arithmetic number, because the mean of its divisors is an integer number (1123750864).

Almost surely, 2^4428900397 is an apocalyptic number.

It is an amenable number.

4428900397 is a deficient number, since it is larger than the sum of its proper divisors (66103059).

4428900397 is an equidigital number, since it uses as much as digits as its factorization.

4428900397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66103058.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 4428900397 is about 66549.9841998479. The cubic root of 4428900397 is about 1642.2223981114. Note that the first 3 decimals are identical.

The spelling of 4428900397 in words is "four billion, four hundred twenty-eight million, nine hundred thousand, three hundred ninety-seven".