3440625 has 24 divisors (see below), whose sum is σ = 5749632. Its totient is φ = 1830000.

The previous prime is 3440621. The next prime is 3440627. The reversal of 3440625 is 5260443.

It is not a de Polignac number, because 3440625 - 2² = 3440621 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3440595 and 3440604.

It is not an unprimeable number, because it can be changed into a prime (3440621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9192 + ... + 9558.

It is an arithmetic number, because the mean of its divisors is an integer number (239568).

Almost surely, 2^3440625 is an apocalyptic number.

It is an amenable number.

3440625 is a deficient number, since it is larger than the sum of its proper divisors (2309007).

3440625 is an frugal number, since it uses more digits than its factorization.

3440625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 3440625 is about 1854.8921801550. The cubic root of 3440625 is about 150.9659879830.

The spelling of 3440625 in words is "three million, four hundred forty thousand, six hundred twenty-five".