428731430 has 16 divisors (see below), whose sum is σ = 772161120. Its totient is φ = 171393792.

The previous prime is 428731427. The next prime is 428731439. The reversal of 428731430 is 34137824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428731439) 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, 7382 + ... + 30198.

It is an arithmetic number, because the mean of its divisors is an integer number (48260070).

Almost surely, 2^428731430 is an apocalyptic number.

428731430 is a deficient number, since it is larger than the sum of its proper divisors (343429690).

428731430 is a wasteful number, since it uses less digits than its factorization.

428731430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24703.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 428731430 is about 20705.8308212928. The cubic root of 428731430 is about 754.0412548636.

The spelling of 428731430 in words is "four hundred twenty-eight million, seven hundred thirty-one thousand, four hundred thirty".