3440120 has 32 divisors (see below), whose sum is σ = 8197200. Its totient is φ = 1294848.

The previous prime is 3440119. The next prime is 3440123. The reversal of 3440120 is 210443.

It is a super-2 number, since 2×3440120² = 23668851228800, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3440095 and 3440104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440123) 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, 1850 + ... + 3209.

Almost surely, 2^3440120 is an apocalyptic number.

It is an amenable number.

3440120 is an abundant number, since it is smaller than the sum of its proper divisors (4757080).

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

3440120 is a wasteful number, since it uses less digits than its factorization.

3440120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087 (or 5083 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 3440120 is about 1854.7560486490. The cubic root of 3440120 is about 150.9586015775.

Adding to 3440120 its reverse (210443), we get a palindrome (3650563).

The spelling of 3440120 in words is "three million, four hundred forty thousand, one hundred twenty".