428310390 has 16 divisors (see below), whose sum is σ = 1027945008. Its totient is φ = 114216096.

The previous prime is 428310383. The next prime is 428310391. The reversal of 428310390 is 93013824.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 14277013 = 428310390 / (4 + 2 + 8 + 3 + 1 + 0 + 3 + 9 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428310391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7138477 + ... + 7138536.

It is an arithmetic number, because the mean of its divisors is an integer number (64246563).

Almost surely, 2^428310390 is an apocalyptic number.

428310390 is an abundant number, since it is smaller than the sum of its proper divisors (599634618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428310390 is a wasteful number, since it uses less digits than its factorization.

428310390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14277023.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 428310390 is about 20695.6611394756. The cubic root of 428310390 is about 753.7943360911.

The spelling of 428310390 in words is "four hundred twenty-eight million, three hundred ten thousand, three hundred ninety".