424499994 has 16 divisors (see below), whose sum is σ = 943333440. Its totient is φ = 141499980.

The previous prime is 424499989. The next prime is 424500017. The reversal of 424499994 is 499994424.

It is a happy number.

424499994 is a `hidden beast` number, since 424 + 49 + 99 + 94 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 7861111 = 424499994 / (4 + 2 + 4 + 4 + 9 + 9 + 9 + 9 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 424499994.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3930502 + ... + 3930609.

It is an arithmetic number, because the mean of its divisors is an integer number (58958340).

Almost surely, 2^424499994 is an apocalyptic number.

424499994 is an abundant number, since it is smaller than the sum of its proper divisors (518833446).

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

424499994 is a wasteful number, since it uses less digits than its factorization.

424499994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7861122 (or 7861116 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 424499994 is about 20603.3976324295. The cubic root of 424499994 is about 751.5523367839.

The spelling of 424499994 in words is "four hundred twenty-four million, four hundred ninety-nine thousand, nine hundred ninety-four".