3726829 has 4 divisors (see below), whose sum is σ = 3731260. Its totient is φ = 3722400.

The previous prime is 3726823. The next prime is 3726839. The reversal of 3726829 is 9286273.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 522729 + 3204100 = 723^2 + 1790^2 .

It is a cyclic number.

It is not a de Polignac number, because 3726829 - 2⁵ = 3726797 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 7² + 2¹⁵ + 6⁴ + 8³ + 2²¹ + 9³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3726823) 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, 522 + ... + 2779.

It is an arithmetic number, because the mean of its divisors is an integer number (932815).

Almost surely, 2^3726829 is an apocalyptic number.

It is an amenable number.

3726829 is a deficient number, since it is larger than the sum of its proper divisors (4431).

3726829 is a wasteful number, since it uses less digits than its factorization.

3726829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4430.

The product of its digits is 36288, while the sum is 37.

The square root of 3726829 is about 1930.4996762496. The cubic root of 3726829 is about 155.0409742525.

The spelling of 3726829 in words is "three million, seven hundred twenty-six thousand, eight hundred twenty-nine".