428836741 has 4 divisors (see below), whose sum is σ = 428913900. Its totient is φ = 428759584.

The previous prime is 428836739. The next prime is 428836769. The reversal of 428836741 is 147638824.

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

It can be written as a sum of positive squares in 2 ways, for example, as 258534241 + 170302500 = 16079^2 + 13050^2 .

It is a cyclic number.

It is not a de Polignac number, because 428836741 - 2¹ = 428836739 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 (428837741) 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, 29536 + ... + 41593.

It is an arithmetic number, because the mean of its divisors is an integer number (107228475).

Almost surely, 2^428836741 is an apocalyptic number.

It is an amenable number.

428836741 is a deficient number, since it is larger than the sum of its proper divisors (77159).

428836741 is an equidigital number, since it uses as much as digits as its factorization.

428836741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77158.

The product of its digits is 258048, while the sum is 43.

The square root of 428836741 is about 20708.3736927843. The cubic root of 428836741 is about 754.1029891896.

The spelling of 428836741 in words is "four hundred twenty-eight million, eight hundred thirty-six thousand, seven hundred forty-one".