3264820 has 48 divisors (see below), whose sum is σ = 7655760. Its totient is φ = 1161216.

The previous prime is 3264817. The next prime is 3264823. The reversal of 3264820 is 284623.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3264817) and next prime (3264823).

It can be written as a sum of positive squares in 8 ways, for example, as 685584 + 2579236 = 828^2 + 1606^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3264823) 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, 7324 + ... + 7756.

It is an arithmetic number, because the mean of its divisors is an integer number (159495).

Almost surely, 2^3264820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3264820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3827880).

3264820 is an abundant number, since it is smaller than the sum of its proper divisors (4390940).

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

3264820 is a wasteful number, since it uses less digits than its factorization.

3264820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 3264820 is about 1806.8812910648. The cubic root of 3264820 is about 148.3496117584.

The spelling of 3264820 in words is "three million, two hundred sixty-four thousand, eight hundred twenty".