4036749 has 4 divisors (see below), whose sum is σ = 5382336. Its totient is φ = 2691164.

The previous prime is 4036733. The next prime is 4036757. The reversal of 4036749 is 9476304.

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 4036749 - 2⁴ = 4036733 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4036709) 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, 672789 + ... + 672794.

It is an arithmetic number, because the mean of its divisors is an integer number (1345584).

Almost surely, 2^4036749 is an apocalyptic number.

It is an amenable number.

4036749 is a deficient number, since it is larger than the sum of its proper divisors (1345587).

4036749 is a wasteful number, since it uses less digits than its factorization.

4036749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345586.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 4036749 is about 2009.1662449882. The cubic root of 4036749 is about 159.2247523654.

The spelling of 4036749 in words is "four million, thirty-six thousand, seven hundred forty-nine".