3601749 has 4 divisors (see below), whose sum is σ = 4802336. Its totient is φ = 2401164.

The previous prime is 3601729. The next prime is 3601753. The reversal of 3601749 is 9471063.

It is a happy number.

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 not a de Polignac number, because 3601749 - 2⁹ = 3601237 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3601709) 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, 600289 + ... + 600294.

It is an arithmetic number, because the mean of its divisors is an integer number (1200584).

Almost surely, 2^3601749 is an apocalyptic number.

It is an amenable number.

3601749 is a deficient number, since it is larger than the sum of its proper divisors (1200587).

3601749 is a wasteful number, since it uses less digits than its factorization.

3601749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200586.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 3601749 is about 1897.8274421032. The cubic root of 3601749 is about 153.2867023714.

The spelling of 3601749 in words is "three million, six hundred one thousand, seven hundred forty-nine".