3235440 has 160 divisors (see below), whose sum is σ = 11624256. Its totient is φ = 737280.

The previous prime is 3235411. The next prime is 3235451. The reversal of 3235440 is 445323.

It is a happy number.

3235440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53010 + ... + 53070.

Almost surely, 2^3235440 is an apocalyptic number.

3235440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3235440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5812128).

3235440 is an abundant number, since it is smaller than the sum of its proper divisors (8388816).

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

3235440 is a wasteful number, since it uses less digits than its factorization.

3235440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 3235440 is about 1798.7328873404. The cubic root of 3235440 is about 147.9032725644.

The spelling of 3235440 in words is "three million, two hundred thirty-five thousand, four hundred forty".