3265440 has 48 divisors (see below), whose sum is σ = 10287648. Its totient is φ = 870656.

The previous prime is 3265439. The next prime is 3265441. The reversal of 3265440 is 445623.

It is an interprime number because it is at equal distance from previous prime (3265439) and next prime (3265441).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3265440.

It is not an unprimeable number, because it can be changed into a prime (3265441) 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, 2922 + ... + 3881.

It is an arithmetic number, because the mean of its divisors is an integer number (214326).

Almost surely, 2^3265440 is an apocalyptic number.

3265440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3265440 is an abundant number, since it is smaller than the sum of its proper divisors (7022208).

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

3265440 is a wasteful number, since it uses less digits than its factorization.

3265440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6821 (or 6813 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 3265440 is about 1807.0528492548. The cubic root of 3265440 is about 148.3590018562.

The spelling of 3265440 in words is "three million, two hundred sixty-five thousand, four hundred forty".