424387845 has 24 divisors (see below), whose sum is σ = 840692736. Its totient is φ = 194005728.

The previous prime is 424387829. The next prime is 424387853. The reversal of 424387845 is 548783424.

It is a happy number.

It is not a de Polignac number, because 424387845 - 2⁴ = 424387829 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 424387845.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 673317 + ... + 673946.

It is an arithmetic number, because the mean of its divisors is an integer number (35028864).

Almost surely, 2^424387845 is an apocalyptic number.

424387845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

424387845 is a deficient number, since it is larger than the sum of its proper divisors (416304891).

424387845 is a wasteful number, since it uses less digits than its factorization.

424387845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347281 (or 1347278 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 424387845 is about 20600.6758384282. The cubic root of 424387845 is about 751.4861465462.

The spelling of 424387845 in words is "four hundred twenty-four million, three hundred eighty-seven thousand, eight hundred forty-five".