428837806 has 16 divisors (see below), whose sum is σ = 673795584. Its totient is φ = 204310744.

The previous prime is 428837803. The next prime is 428837861. The reversal of 428837806 is 608738824.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428837803) 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 7 ways as a sum of consecutive naturals, for example, 5626 + ... + 29821.

It is an arithmetic number, because the mean of its divisors is an integer number (42112224).

Almost surely, 2^428837806 is an apocalyptic number.

428837806 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

428837806 is a deficient number, since it is larger than the sum of its proper divisors (244957778).

428837806 is a wasteful number, since it uses less digits than its factorization.

428837806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35735.

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 428837806 is about 20708.3994070039. The cubic root of 428837806 is about 754.1036134513.

The spelling of 428837806 in words is "four hundred twenty-eight million, eight hundred thirty-seven thousand, eight hundred six".