3439705 has 8 divisors (see below), whose sum is σ = 4239432. Its totient is φ = 2677248.

The previous prime is 3439697. The next prime is 3439747. The reversal of 3439705 is 5079343.

It can be written as a sum of positive squares in 4 ways, for example, as 1065024 + 2374681 = 1032^2 + 1541^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3439705 - 2³ = 3439697 is a prime.

It is a Duffinian number.

3439705 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9112 + ... + 9481.

It is an arithmetic number, because the mean of its divisors is an integer number (529929).

Almost surely, 2^3439705 is an apocalyptic number.

It is an amenable number.

3439705 is a deficient number, since it is larger than the sum of its proper divisors (799727).

3439705 is a wasteful number, since it uses less digits than its factorization.

3439705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18635.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 3439705 is about 1854.6441707239. The cubic root of 3439705 is about 150.9525310200.

The spelling of 3439705 in words is "three million, four hundred thirty-nine thousand, seven hundred five".