3440557 has 4 divisors (see below), whose sum is σ = 3467776. Its totient is φ = 3413340.

The previous prime is 3440551. The next prime is 3440561. The reversal of 3440557 is 7550443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3440557 - 2⁷ = 3440429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13419 + ... + 13672.

It is an arithmetic number, because the mean of its divisors is an integer number (866944).

Almost surely, 2^3440557 is an apocalyptic number.

It is an amenable number.

3440557 is a deficient number, since it is larger than the sum of its proper divisors (27219).

3440557 is a wasteful number, since it uses less digits than its factorization.

3440557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27218.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 3440557 is about 1854.8738501580. The cubic root of 3440557 is about 150.9649934200.

The spelling of 3440557 in words is "three million, four hundred forty thousand, five hundred fifty-seven".