3274640 has 20 divisors (see below), whose sum is σ = 7613724. Its totient is φ = 1309824.

The previous prime is 3274637. The next prime is 3274643. The reversal of 3274640 is 464723.

It is a happy number.

3274640 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3274637) and next prime (3274643).

It can be written as a sum of positive squares in 2 ways, for example, as 1048576 + 2226064 = 1024^2 + 1492^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3274643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20387 + ... + 20546.

Almost surely, 2^3274640 is an apocalyptic number.

It is an amenable number.

3274640 is an abundant number, since it is smaller than the sum of its proper divisors (4339084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3274640 is a wasteful number, since it uses less digits than its factorization.

3274640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40946 (or 40940 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 3274640 is about 1809.5966401383. The cubic root of 3274640 is about 148.4981993305.

The spelling of 3274640 in words is "three million, two hundred seventy-four thousand, six hundred forty".