428190330 has 16 divisors (see below), whose sum is σ = 1027656864. Its totient is φ = 114184080.

The previous prime is 428190299. The next prime is 428190331. The reversal of 428190330 is 33091824.

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: 14273011 = 428190330 / (4 + 2 + 8 + 1 + 9 + 0 + 3 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (428190331) 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, 7136476 + ... + 7136535.

It is an arithmetic number, because the mean of its divisors is an integer number (64228554).

Almost surely, 2^428190330 is an apocalyptic number.

428190330 is an abundant number, since it is smaller than the sum of its proper divisors (599466534).

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

428190330 is a wasteful number, since it uses less digits than its factorization.

428190330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14273021.

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

The square root of 428190330 is about 20692.7603281921. The cubic root of 428190330 is about 753.7238972944.

The spelling of 428190330 in words is "four hundred twenty-eight million, one hundred ninety thousand, three hundred thirty".