9924381 has 6 divisors (see below), whose sum is σ = 14335230. Its totient is φ = 6616248.

The previous prime is 9924367. The next prime is 9924391. The reversal of 9924381 is 1834299.

It can be written as a sum of positive squares in only one way, i.e., 7868025 + 2056356 = 2805^2 + 1434^2 .

It is not a de Polignac number, because 9924381 - 2¹⁵ = 9891613 is a prime.

It is a super-2 number, since 2×9924381² = 196986676466322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9924391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 551346 + ... + 551363.

It is an arithmetic number, because the mean of its divisors is an integer number (2389205).

Almost surely, 2^9924381 is an apocalyptic number.

It is an amenable number.

9924381 is a deficient number, since it is larger than the sum of its proper divisors (4410849).

9924381 is a wasteful number, since it uses less digits than its factorization.

9924381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102715 (or 1102712 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 9924381 is about 3150.2985572799. The cubic root of 9924381 is about 214.8990403941.

The spelling of 9924381 in words is "nine million, nine hundred twenty-four thousand, three hundred eighty-one".