3240336021 has 16 divisors (see below), whose sum is σ = 4654306944. Its totient is φ = 1993402944.

The previous prime is 3240335963. The next prime is 3240336023. The reversal of 3240336021 is 1206330423.

It is not a de Polignac number, because 3240336021 - 2⁶ = 3240335957 is a prime.

It is a super-2 number, since 2×3240336021² = 20999555057980224882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3240335982 and 3240336000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240336023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125775 + ... + 149331.

It is an arithmetic number, because the mean of its divisors is an integer number (290894184).

Almost surely, 2^3240336021 is an apocalyptic number.

It is an amenable number.

3240336021 is a deficient number, since it is larger than the sum of its proper divisors (1413970923).

3240336021 is a wasteful number, since it uses less digits than its factorization.

3240336021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27100.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 3240336021 is about 56923.9494501216. The cubic root of 3240336021 is about 1479.7783970922.

Adding to 3240336021 its reverse (1206330423), we get a palindrome (4446666444).

The spelling of 3240336021 in words is "three billion, two hundred forty million, three hundred thirty-six thousand, twenty-one".