3840837 has 32 divisors (see below), whose sum is σ = 6881280. Its totient is φ = 1840320.

The previous prime is 3840829. The next prime is 3840853. The reversal of 3840837 is 7380483.

It is not a de Polignac number, because 3840837 - 2³ = 3840829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

3840837 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3840798 and 3840807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3840037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2364 + ... + 3642.

It is an arithmetic number, because the mean of its divisors is an integer number (215040).

Almost surely, 2^3840837 is an apocalyptic number.

It is an amenable number.

3840837 is a deficient number, since it is larger than the sum of its proper divisors (3040443).

3840837 is a wasteful number, since it uses less digits than its factorization.

3840837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 3840837 is about 1959.8053474771. The cubic root of 3840837 is about 156.6060824043.

Multiplying 3840837 by its sum of digits (33), we get a palindrome (126747621).

The spelling of 3840837 in words is "three million, eight hundred forty thousand, eight hundred thirty-seven".