3756813 has 16 divisors (see below), whose sum is σ = 5584320. Its totient is φ = 2232576.

The previous prime is 3756803. The next prime is 3756817. The reversal of 3756813 is 3186573.

It is a happy number.

3756813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3756813 - 2¹⁶ = 3691277 is a prime.

It is a super-2 number, since 2×3756813² = 28227287833938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3756817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 970 + ... + 2907.

It is an arithmetic number, because the mean of its divisors is an integer number (349020).

Almost surely, 2^3756813 is an apocalyptic number.

It is an amenable number.

3756813 is a deficient number, since it is larger than the sum of its proper divisors (1827507).

3756813 is a wasteful number, since it uses less digits than its factorization.

3756813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916.

The product of its digits is 15120, while the sum is 33.

The square root of 3756813 is about 1938.2499838772. The cubic root of 3756813 is about 155.4556553763.

The spelling of 3756813 in words is "three million, seven hundred fifty-six thousand, eight hundred thirteen".