3360021 has 8 divisors (see below), whose sum is σ = 5120064. Its totient is φ = 1920000.

The previous prime is 3360013. The next prime is 3360023. The reversal of 3360021 is 1200633.

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

It is not a de Polignac number, because 3360021 - 2³ = 3360013 is a prime.

It is a super-2 number, since 2×3360021² = 22579482240882, which contains 22 as substring.

It is an Ulam number.

3360021 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3360023) 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, 79980 + ... + 80021.

It is an arithmetic number, because the mean of its divisors is an integer number (640008).

Almost surely, 2^3360021 is an apocalyptic number.

It is an amenable number.

3360021 is a deficient number, since it is larger than the sum of its proper divisors (1760043).

3360021 is a wasteful number, since it uses less digits than its factorization.

3360021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160011.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 3360021 is about 1833.0360061930. The cubic root of 3360021 is about 149.7777597801. Note that the first 4 decimals are identical.

Adding to 3360021 its reverse (1200633), we get a palindrome (4560654).

It can be divided in two parts, 33600 and 21, that multiplied together give a square (705600 = 840²).

The spelling of 3360021 in words is "three million, three hundred sixty thousand, twenty-one".