3836440 has 16 divisors (see below), whose sum is σ = 8632080. Its totient is φ = 1534560.

The previous prime is 3836431. The next prime is 3836449. The reversal of 3836440 is 446383.

3836440 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3836431) and next prime (3836449).

It is a junction number, because it is equal to n+sod(n) for n = 3836399 and 3836408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3836449) 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, 47916 + ... + 47995.

It is an arithmetic number, because the mean of its divisors is an integer number (539505).

Almost surely, 2^3836440 is an apocalyptic number.

It is an amenable number.

3836440 is an abundant number, since it is smaller than the sum of its proper divisors (4795640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3836440 is a wasteful number, since it uses less digits than its factorization.

3836440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95922 (or 95918 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 3836440 is about 1958.6832311530. The cubic root of 3836440 is about 156.5462985706.

Subtracting from 3836440 its product of nonzero digits (6912), we obtain a triangular number (3829528 = T₂₇₆₇).

The spelling of 3836440 in words is "three million, eight hundred thirty-six thousand, four hundred forty".