82948921 has 8 divisors (see below), whose sum is σ = 90648000. Its totient is φ = 75276240.

The previous prime is 82948919. The next prime is 82948939. The reversal of 82948921 is 12984928.

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

It is a cyclic number.

It is not a de Polignac number, because 82948921 - 2¹ = 82948919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82948121) 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, 295 + ... + 12883.

It is an arithmetic number, because the mean of its divisors is an integer number (11331000).

Almost surely, 2^82948921 is an apocalyptic number.

It is an amenable number.

82948921 is a deficient number, since it is larger than the sum of its proper divisors (7699079).

82948921 is a wasteful number, since it uses less digits than its factorization.

82948921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13199.

The product of its digits is 82944, while the sum is 43.

The square root of 82948921 is about 9107.6298233953. The cubic root of 82948921 is about 436.1175667720.

The spelling of 82948921 in words is "eighty-two million, nine hundred forty-eight thousand, nine hundred twenty-one".