3240981 has 12 divisors (see below), whose sum is σ = 4746508. Its totient is φ = 2130624.

The previous prime is 3240971. The next prime is 3240983. The reversal of 3240981 is 1890423.

It can be written as a sum of positive squares in 2 ways, for example, as 1418481 + 1822500 = 1191^2 + 1350^2 .

It is not a de Polignac number, because 3240981 - 2⁶ = 3240917 is a prime.

It is a super-2 number, since 2×3240981² = 21007915684722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1810 + ... + 3123.

Almost surely, 2^3240981 is an apocalyptic number.

It is an amenable number.

3240981 is a deficient number, since it is larger than the sum of its proper divisors (1505527).

3240981 is a wasteful number, since it uses less digits than its factorization.

3240981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012 (or 5009 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3240981 is about 1800.2724793764. The cubic root of 3240981 is about 147.9876572371.

The spelling of 3240981 in words is "three million, two hundred forty thousand, nine hundred eighty-one".