4013340 has 24 divisors (see below), whose sum is σ = 11237520. Its totient is φ = 1070208.

The previous prime is 4013329. The next prime is 4013363. The reversal of 4013340 is 433104.

It is a super-2 number, since 2×4013340² = 32213795911200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

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, 33385 + ... + 33504.

It is an arithmetic number, because the mean of its divisors is an integer number (468230).

Almost surely, 2^4013340 is an apocalyptic number.

It is an amenable number.

4013340 is an abundant number, since it is smaller than the sum of its proper divisors (7224180).

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

4013340 is a wasteful number, since it uses less digits than its factorization.

4013340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66901 (or 66899 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 4013340 is about 2003.3322240707. The cubic root of 4013340 is about 158.9163754716.

Adding to 4013340 its reverse (433104), we get a palindrome (4446444).

It can be divided in two parts, 401 and 3340, that added together give a triangular number (3741 = T₈₆).

The spelling of 4013340 in words is "four million, thirteen thousand, three hundred forty".