428063146 has 8 divisors (see below), whose sum is σ = 733822560. Its totient is φ = 183455628.

The previous prime is 428063123. The next prime is 428063147. The reversal of 428063146 is 641360824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (428063147) 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, 15287956 + ... + 15287983.

It is an arithmetic number, because the mean of its divisors is an integer number (91727820).

Almost surely, 2^428063146 is an apocalyptic number.

428063146 is a deficient number, since it is larger than the sum of its proper divisors (305759414).

428063146 is a wasteful number, since it uses less digits than its factorization.

428063146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30575948.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 428063146 is about 20689.6869478492. The cubic root of 428063146 is about 753.6492645076.

The spelling of 428063146 in words is "four hundred twenty-eight million, sixty-three thousand, one hundred forty-six".