3436985 has 4 divisors (see below), whose sum is σ = 4124388. Its totient is φ = 2749584.

The previous prime is 3436981. The next prime is 3436987. The reversal of 3436985 is 5896343.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1926544 + 1510441 = 1388^2 + 1229^2 .

It is a cyclic number.

It is not a de Polignac number, because 3436985 - 2² = 3436981 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3436981) 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, 343694 + ... + 343703.

It is an arithmetic number, because the mean of its divisors is an integer number (1031097).

Almost surely, 2^3436985 is an apocalyptic number.

It is an amenable number.

3436985 is a deficient number, since it is larger than the sum of its proper divisors (687403).

3436985 is an equidigital number, since it uses as much as digits as its factorization.

3436985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687402.

The product of its digits is 77760, while the sum is 38.

The square root of 3436985 is about 1853.9107314000. The cubic root of 3436985 is about 150.9127311768.

The spelling of 3436985 in words is "three million, four hundred thirty-six thousand, nine hundred eighty-five".