3745985 has 4 divisors (see below), whose sum is σ = 4495188. Its totient is φ = 2996784.

The previous prime is 3745961. The next prime is 3745997. The reversal of 3745985 is 5895473.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5895473 = 2081 ⋅2833.

It can be written as a sum of positive squares in 2 ways, for example, as 2455489 + 1290496 = 1567^2 + 1136^2 .

It is a cyclic number.

It is not a de Polignac number, because 3745985 - 2¹⁸ = 3483841 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, 374594 + ... + 374603.

It is an arithmetic number, because the mean of its divisors is an integer number (1123797).

Almost surely, 2^3745985 is an apocalyptic number.

It is an amenable number.

3745985 is a deficient number, since it is larger than the sum of its proper divisors (749203).

3745985 is an equidigital number, since it uses as much as digits as its factorization.

3745985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749202.

The product of its digits is 151200, while the sum is 41.

The square root of 3745985 is about 1935.4547269311. The cubic root of 3745985 is about 155.3061586597.

The spelling of 3745985 in words is "three million, seven hundred forty-five thousand, nine hundred eighty-five".