424863881 has 8 divisors (see below), whose sum is σ = 484460424. Its totient is φ = 369112320.

The previous prime is 424863877. The next prime is 424863893. The reversal of 424863881 is 188368424.

It can be written as a sum of positive squares in 4 ways, for example, as 106419856 + 318444025 = 10316^2 + 17845^2 .

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 424863881 - 2² = 424863877 is a prime.

It is a super-2 number, since 2×424863881² = 361018634756764322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (424863811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961010 + ... + 961451.

It is an arithmetic number, because the mean of its divisors is an integer number (60557553).

Almost surely, 2^424863881 is an apocalyptic number.

It is an amenable number.

424863881 is a deficient number, since it is larger than the sum of its proper divisors (59596543).

424863881 is a wasteful number, since it uses less digits than its factorization.

424863881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922491.

The product of its digits is 294912, while the sum is 44.

The square root of 424863881 is about 20612.2264930308. The cubic root of 424863881 is about 751.7670223141.

The spelling of 424863881 in words is "four hundred twenty-four million, eight hundred sixty-three thousand, eight hundred eighty-one".