428837339 has 4 divisors (see below), whose sum is σ = 490099824. Its totient is φ = 367574856.

The previous prime is 428837317. The next prime is 428837341. The reversal of 428837339 is 933738824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 428837339 - 2⁸ = 428837083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 428837293 and 428837302.

It is not an unprimeable number, because it can be changed into a prime (428837309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30631232 + ... + 30631245.

It is an arithmetic number, because the mean of its divisors is an integer number (122524956).

Almost surely, 2^428837339 is an apocalyptic number.

428837339 is a deficient number, since it is larger than the sum of its proper divisors (61262485).

428837339 is an equidigital number, since it uses as much as digits as its factorization.

428837339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61262484.

The product of its digits is 870912, while the sum is 47.

The square root of 428837339 is about 20708.3881313829. The cubic root of 428837339 is about 754.1033397141.

The spelling of 428837339 in words is "four hundred twenty-eight million, eight hundred thirty-seven thousand, three hundred thirty-nine".