424856705 has 72 divisors (see below), whose sum is σ = 664913664. Its totient is φ = 259459200.

The previous prime is 424856683. The next prime is 424856753. The reversal of 424856705 is 507658424.

It is not a de Polignac number, because 424856705 - 2¹² = 424852609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1283390 + ... + 1283720.

It is an arithmetic number, because the mean of its divisors is an integer number (9234912).

Almost surely, 2^424856705 is an apocalyptic number.

It is an amenable number.

424856705 is a deficient number, since it is larger than the sum of its proper divisors (240056959).

424856705 is a wasteful number, since it uses less digits than its factorization.

424856705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 424856705 is about 20612.0524208532. The cubic root of 424856705 is about 751.7627898130.

The spelling of 424856705 in words is "four hundred twenty-four million, eight hundred fifty-six thousand, seven hundred five".