21376083 has 8 divisors (see below), whose sum is σ = 30001600. Its totient is φ = 13500648.

The previous prime is 21376073. The next prime is 21376093. The reversal of 21376083 is 38067312.

It is an interprime number because it is at equal distance from previous prime (21376073) and next prime (21376093).

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

It is not a de Polignac number, because 21376083 - 2⁴ = 21376067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21376083.

It is not an unprimeable number, because it can be changed into a prime (21376073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187453 + ... + 187566.

It is an arithmetic number, because the mean of its divisors is an integer number (3750200).

Almost surely, 2^21376083 is an apocalyptic number.

21376083 is a deficient number, since it is larger than the sum of its proper divisors (8625517).

21376083 is a wasteful number, since it uses less digits than its factorization.

21376083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375041.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 21376083 is about 4623.4276246093. The cubic root of 21376083 is about 277.5296421546.

The spelling of 21376083 in words is "twenty-one million, three hundred seventy-six thousand, eighty-three".