10083821 has 8 divisors (see below), whose sum is σ = 11479104. Its totient is φ = 8768320.

The previous prime is 10083817. The next prime is 10083823. The reversal of 10083821 is 12838001.

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

It is not a de Polignac number, because 10083821 - 2² = 10083817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10083823) 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, 19676 + ... + 20181.

It is an arithmetic number, because the mean of its divisors is an integer number (1434888).

Almost surely, 2^10083821 is an apocalyptic number.

10083821 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10083821 is a deficient number, since it is larger than the sum of its proper divisors (1395283).

10083821 is a wasteful number, since it uses less digits than its factorization.

10083821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39891.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 10083821 is about 3175.5032672003. The cubic root of 10083821 is about 216.0437511398.

The spelling of 10083821 in words is "ten million, eighty-three thousand, eight hundred twenty-one".