3501040 has 40 divisors (see below), whose sum is σ = 8236080. Its totient is φ = 1383936.

The previous prime is 3500999. The next prime is 3501041. The reversal of 3501040 is 401053.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 3501040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3501041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8356 + ... + 8764.

It is an arithmetic number, because the mean of its divisors is an integer number (205902).

Almost surely, 2^3501040 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 3501040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4118040).

3501040 is an abundant number, since it is smaller than the sum of its proper divisors (4735040).

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

3501040 is a wasteful number, since it uses less digits than its factorization.

3501040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 3501040 is about 1871.1066244338. The cubic root of 3501040 is about 151.8444854499.

Adding to 3501040 its sum of digits (13), we get a palindrome (3501053).

Adding to 3501040 its reverse (401053), we get a palindrome (3902093).

The spelling of 3501040 in words is "three million, five hundred one thousand, forty".