10328921 has 8 divisors (see below), whose sum is σ = 10823424. Its totient is φ = 9844560.

The previous prime is 10328917. The next prime is 10328933. The reversal of 10328921 is 12982301.

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 10328921 - 2² = 10328917 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10328971) 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, 410 + ... + 4563.

It is an arithmetic number, because the mean of its divisors is an integer number (1352928).

Almost surely, 2^10328921 is an apocalyptic number.

It is an amenable number.

10328921 is a deficient number, since it is larger than the sum of its proper divisors (494503).

10328921 is an equidigital number, since it uses as much as digits as its factorization.

10328921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 10328921 is about 3213.8638739063. The cubic root of 10328921 is about 217.7801630329.

The spelling of 10328921 in words is "ten million, three hundred twenty-eight thousand, nine hundred twenty-one".