3440539 has 4 divisors (see below), whose sum is σ = 3621640. Its totient is φ = 3259440.

The previous prime is 3440537. The next prime is 3440543. The reversal of 3440539 is 9350443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3440539 - 2¹ = 3440537 is a prime.

It is a super-2 number, since 2×3440539² = 23674617221042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3440533) 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, 90522 + ... + 90559.

It is an arithmetic number, because the mean of its divisors is an integer number (905410).

Almost surely, 2^3440539 is an apocalyptic number.

3440539 is a deficient number, since it is larger than the sum of its proper divisors (181101).

3440539 is a wasteful number, since it uses less digits than its factorization.

3440539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181100.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 3440539 is about 1854.8689980697. The cubic root of 3440539 is about 150.9647301511.

The spelling of 3440539 in words is "three million, four hundred forty thousand, five hundred thirty-nine".