424697904 has 160 divisors (see below), whose sum is σ = 1262865600. Its totient is φ = 138288384.

The previous prime is 424697891. The next prime is 424697929. The reversal of 424697904 is 409796424.

It is a self number, because there is not a number n which added to its sum of digits gives 424697904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1854462 + ... + 1854690.

It is an arithmetic number, because the mean of its divisors is an integer number (7892910).

Almost surely, 2^424697904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424697904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631432800).

424697904 is an abundant number, since it is smaller than the sum of its proper divisors (838167696).

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

424697904 is an equidigital number, since it uses as much as digits as its factorization.

424697904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 424697904 is about 20608.1999213905. The cubic root of 424697904 is about 751.6691146528.

The spelling of 424697904 in words is "four hundred twenty-four million, six hundred ninety-seven thousand, nine hundred four".