3749789 has 4 divisors (see below), whose sum is σ = 3805824. Its totient is φ = 3693756.

The previous prime is 3749773. The next prime is 3749807. The reversal of 3749789 is 9879473.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3749789 - 2⁴ = 3749773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3749189) 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, 27917 + ... + 28050.

It is an arithmetic number, because the mean of its divisors is an integer number (951456).

Almost surely, 2^3749789 is an apocalyptic number.

It is an amenable number.

3749789 is a deficient number, since it is larger than the sum of its proper divisors (56035).

3749789 is an equidigital number, since it uses as much as digits as its factorization.

3749789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56034.

The product of its digits is 381024, while the sum is 47.

The square root of 3749789 is about 1936.4371923716. The cubic root of 3749789 is about 155.3587113494.

The spelling of 3749789 in words is "three million, seven hundred forty-nine thousand, seven hundred eighty-nine".