3440920 has 32 divisors (see below), whose sum is σ = 8848800. Its totient is φ = 1179648.

The previous prime is 3440897. The next prime is 3440929. The reversal of 3440920 is 290443.

It is a junction number, because it is equal to n+sod(n) for n = 3440891 and 3440900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5865 + ... + 6424.

It is an arithmetic number, because the mean of its divisors is an integer number (276525).

Almost surely, 2^3440920 is an apocalyptic number.

It is an amenable number.

3440920 is an abundant number, since it is smaller than the sum of its proper divisors (5407880).

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

3440920 is a wasteful number, since it uses less digits than its factorization.

3440920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12307 (or 12303 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3440920 is about 1854.9716978973. The cubic root of 3440920 is about 150.9703024795.

The spelling of 3440920 in words is "three million, four hundred forty thousand, nine hundred twenty".