3837445 has 4 divisors (see below), whose sum is σ = 4604940. Its totient is φ = 3069952.

The previous prime is 3837439. The next prime is 3837451. The reversal of 3837445 is 5447383.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5447383 = 41 ⋅132863.

It is an interprime number because it is at equal distance from previous prime (3837439) and next prime (3837451).

It can be written as a sum of positive squares in 2 ways, for example, as 2411809 + 1425636 = 1553^2 + 1194^2 .

It is a cyclic number.

It is not a de Polignac number, because 3837445 - 2³ = 3837437 is a prime.

3837445 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3837445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383740 + ... + 383749.

It is an arithmetic number, because the mean of its divisors is an integer number (1151235).

Almost surely, 2^3837445 is an apocalyptic number.

It is an amenable number.

3837445 is a deficient number, since it is larger than the sum of its proper divisors (767495).

3837445 is an equidigital number, since it uses as much as digits as its factorization.

3837445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767494.

The product of its digits is 40320, while the sum is 34.

The square root of 3837445 is about 1958.9397642602. The cubic root of 3837445 is about 156.5599670840.

The spelling of 3837445 in words is "three million, eight hundred thirty-seven thousand, four hundred forty-five".