3607985 has 4 divisors (see below), whose sum is σ = 4329588. Its totient is φ = 2886384.

The previous prime is 3607979. The next prime is 3607991. The reversal of 3607985 is 5897063.

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

It is an interprime number because it is at equal distance from previous prime (3607979) and next prime (3607991).

It can be written as a sum of positive squares in 2 ways, for example, as 758641 + 2849344 = 871^2 + 1688^2 .

It is a cyclic number.

It is not a de Polignac number, because 3607985 - 2⁴ = 3607969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360794 + ... + 360803.

It is an arithmetic number, because the mean of its divisors is an integer number (1082397).

Almost surely, 2^3607985 is an apocalyptic number.

It is an amenable number.

3607985 is a deficient number, since it is larger than the sum of its proper divisors (721603).

3607985 is an equidigital number, since it uses as much as digits as its factorization.

3607985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721602.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 3607985 is about 1899.4696628270. The cubic root of 3607985 is about 153.3751172621.

The spelling of 3607985 in words is "three million, six hundred seven thousand, nine hundred eighty-five".