424855381 has 8 divisors (see below), whose sum is σ = 451211904. Its totient is φ = 398650560.

The previous prime is 424855373. The next prime is 424855393. The reversal of 424855381 is 183558424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 424855381 - 2³ = 424855373 is a prime.

It is a super-2 number, since 2×424855381² = 361004189529310322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424855331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32125 + ... + 43378.

It is an arithmetic number, because the mean of its divisors is an integer number (56401488).

Almost surely, 2^424855381 is an apocalyptic number.

It is an amenable number.

424855381 is a deficient number, since it is larger than the sum of its proper divisors (26356523).

424855381 is a wasteful number, since it uses less digits than its factorization.

424855381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75851.

The product of its digits is 153600, while the sum is 40.

The square root of 424855381 is about 20612.0203036966. The cubic root of 424855381 is about 751.7620088948.

The spelling of 424855381 in words is "four hundred twenty-four million, eight hundred fifty-five thousand, three hundred eighty-one".