424908387 has 24 divisors (see below), whose sum is σ = 650701584. Its totient is φ = 266264064.

The previous prime is 424908359. The next prime is 424908389. The reversal of 424908387 is 783809424.

424908387 is a `hidden beast` number, since 4 + 2 + 490 + 83 + 87 = 666.

It is not a de Polignac number, because 424908387 - 2¹⁰ = 424907363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424908389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170583 + ... + 173055.

It is an arithmetic number, because the mean of its divisors is an integer number (27112566).

Almost surely, 2^424908387 is an apocalyptic number.

424908387 is a deficient number, since it is larger than the sum of its proper divisors (225793197).

424908387 is a wasteful number, since it uses less digits than its factorization.

424908387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3619 (or 3616 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 424908387 is about 20613.3060667133. The cubic root of 424908387 is about 751.7932714858.

The spelling of 424908387 in words is "four hundred twenty-four million, nine hundred eight thousand, three hundred eighty-seven".