3260921 has 8 divisors (see below), whose sum is σ = 3458304. Its totient is φ = 3069360.

The previous prime is 3260911. The next prime is 3260947. The reversal of 3260921 is 1290623.

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 3260921 - 2⁶ = 3260857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3260911) 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, 275 + ... + 2568.

It is an arithmetic number, because the mean of its divisors is an integer number (432288).

Almost surely, 2^3260921 is an apocalyptic number.

3260921 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3260921 is a deficient number, since it is larger than the sum of its proper divisors (197383).

3260921 is a wasteful number, since it uses less digits than its factorization.

3260921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 3260921 is about 1805.8020378768. The cubic root of 3260921 is about 148.2905328969.

The spelling of 3260921 in words is "three million, two hundred sixty thousand, nine hundred twenty-one".