3726831 has 16 divisors (see below), whose sum is σ = 5277440. Its totient is φ = 2332800.

The previous prime is 3726823. The next prime is 3726839. The reversal of 3726831 is 1386273.

It is an interprime number because it is at equal distance from previous prime (3726823) and next prime (3726839).

It is not a de Polignac number, because 3726831 - 2³ = 3726823 is a prime.

It is a super-2 number, since 2×3726831² = 27778538605122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is the 1931-st Hogben number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3726839) by changing a digit.

It is a nontrivial repunit in base 1930.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8391 + ... + 8823.

It is an arithmetic number, because the mean of its divisors is an integer number (329840).

Almost surely, 2^3726831 is an apocalyptic number.

3726831 is a deficient number, since it is larger than the sum of its proper divisors (1550609).

3726831 is a wasteful number, since it uses less digits than its factorization.

3726831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606.

The product of its digits is 6048, while the sum is 30.

The square root of 3726831 is about 1930.5001942502. The cubic root of 3726831 is about 155.0410019867.

The spelling of 3726831 in words is "three million, seven hundred twenty-six thousand, eight hundred thirty-one".