3238040 has 48 divisors (see below), whose sum is σ = 7905600. Its totient is φ = 1193088.

The previous prime is 3238033. The next prime is 3238049. The reversal of 3238040 is 408323.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3238049) 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, 6521 + ... + 6999.

It is an arithmetic number, because the mean of its divisors is an integer number (164700).

Almost surely, 2^3238040 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 3238040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3952800).

3238040 is an abundant number, since it is smaller than the sum of its proper divisors (4667560).

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

3238040 is a wasteful number, since it uses less digits than its factorization.

3238040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3238040 is about 1799.4554731918. The cubic root of 3238040 is about 147.9428803197.

The spelling of 3238040 in words is "three million, two hundred thirty-eight thousand, forty".