424828665 has 16 divisors (see below), whose sum is σ = 755251200. Its totient is φ = 226575216.

The previous prime is 424828639. The next prime is 424828673. The reversal of 424828665 is 566828424.

It is not a de Polignac number, because 424828665 - 2⁶ = 424828601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 424828665.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1573305 + ... + 1573574.

It is an arithmetic number, because the mean of its divisors is an integer number (47203200).

Almost surely, 2^424828665 is an apocalyptic number.

424828665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

424828665 is a deficient number, since it is larger than the sum of its proper divisors (330422535).

424828665 is a wasteful number, since it uses less digits than its factorization.

424828665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146893 (or 3146887 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 424828665 is about 20611.3722250606. The cubic root of 424828665 is about 751.7462509878.

The spelling of 424828665 in words is "four hundred twenty-four million, eight hundred twenty-eight thousand, six hundred sixty-five".