824052381 has 8 divisors (see below), whose sum is σ = 1099584960. Its totient is φ = 548944032.

The previous prime is 824052353. The next prime is 824052389. The reversal of 824052381 is 183250428.

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

It is not a de Polignac number, because 824052381 - 2¹⁰ = 824051357 is a prime.

It is a super-2 number, since 2×824052381² = 1358124653263538322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (824052389) 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, 101496 + ... + 109313.

It is an arithmetic number, because the mean of its divisors is an integer number (137448120).

Almost surely, 2^824052381 is an apocalyptic number.

It is an amenable number.

824052381 is a deficient number, since it is larger than the sum of its proper divisors (275532579).

824052381 is a wasteful number, since it uses less digits than its factorization.

824052381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212115.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 824052381 is about 28706.3125636157. The cubic root of 824052381 is about 937.5294946809.

The spelling of 824052381 in words is "eight hundred twenty-four million, fifty-two thousand, three hundred eighty-one".