424338981 has 8 divisors (see below), whose sum is σ = 617220384. Its totient is φ = 257175120.

The previous prime is 424338953. The next prime is 424339001. The reversal of 424338981 is 189833424.

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

It is not a de Polignac number, because 424338981 - 2⁵ = 424338949 is a prime.

It is a super-2 number, since 2×424338981² = 360127141592236722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424338181) 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, 6429346 + ... + 6429411.

It is an arithmetic number, because the mean of its divisors is an integer number (77152548).

Almost surely, 2^424338981 is an apocalyptic number.

It is an amenable number.

424338981 is a deficient number, since it is larger than the sum of its proper divisors (192881403).

424338981 is a wasteful number, since it uses less digits than its factorization.

424338981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12858771.

The product of its digits is 165888, while the sum is 42.

The square root of 424338981 is about 20599.4898237796. The cubic root of 424338981 is about 751.4573034106.

The spelling of 424338981 in words is "four hundred twenty-four million, three hundred thirty-eight thousand, nine hundred eighty-one".