3749785 has 8 divisors (see below), whose sum is σ = 4845960. Its totient is φ = 2769024.

The previous prime is 3749773. The next prime is 3749807. The reversal of 3749785 is 5879473.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17161 + 3732624 = 131^2 + 1932^2 .

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 3749785 - 2⁷ = 3749657 is a prime.

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, 28780 + ... + 28909.

It is an arithmetic number, because the mean of its divisors is an integer number (605745).

Almost surely, 2^3749785 is an apocalyptic number.

It is an amenable number.

3749785 is a deficient number, since it is larger than the sum of its proper divisors (1096175).

3749785 is a wasteful number, since it uses less digits than its factorization.

3749785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57707.

The product of its digits is 211680, while the sum is 43.

The square root of 3749785 is about 1936.4361595467. The cubic root of 3749785 is about 155.3586561077.

The spelling of 3749785 in words is "three million, seven hundred forty-nine thousand, seven hundred eighty-five".