3439815 has 8 divisors (see below), whose sum is σ = 5503728. Its totient is φ = 1834560.

The previous prime is 3439801. The next prime is 3439823. The reversal of 3439815 is 5189343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3439815 - 2¹⁹ = 2915527 is a prime.

3439815 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114646 + ... + 114675.

It is an arithmetic number, because the mean of its divisors is an integer number (687966).

Almost surely, 2^3439815 is an apocalyptic number.

3439815 is a deficient number, since it is larger than the sum of its proper divisors (2063913).

3439815 is a wasteful number, since it uses less digits than its factorization.

3439815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229329.

The product of its digits is 12960, while the sum is 33.

The square root of 3439815 is about 1854.6738257710. The cubic root of 3439815 is about 150.9541401310.

The spelling of 3439815 in words is "three million, four hundred thirty-nine thousand, eight hundred fifteen".