3749423 has 4 divisors (see below), whose sum is σ = 3786648. Its totient is φ = 3712200.

The previous prime is 3749407. The next prime is 3749443. The reversal of 3749423 is 3249473.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3249473 = 101 ⋅32173.

It is a cyclic number.

It is not a de Polignac number, because 3749423 - 2⁴ = 3749407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3749423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3749443) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18461 + ... + 18662.

It is an arithmetic number, because the mean of its divisors is an integer number (946662).

Almost surely, 2^3749423 is an apocalyptic number.

3749423 is a deficient number, since it is larger than the sum of its proper divisors (37225).

3749423 is a wasteful number, since it uses less digits than its factorization.

3749423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37224.

The product of its digits is 18144, while the sum is 32.

The square root of 3749423 is about 1936.3426866131. The cubic root of 3749423 is about 155.3536565638.

The spelling of 3749423 in words is "three million, seven hundred forty-nine thousand, four hundred twenty-three".