3837641 has 4 divisors (see below), whose sum is σ = 3931284. Its totient is φ = 3744000.

The previous prime is 3837629. The next prime is 3837643. The reversal of 3837641 is 1467383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1467383 = 37 ⋅39659.

It can be written as a sum of positive squares in 2 ways, for example, as 2042041 + 1795600 = 1429^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 3837641 - 2⁶ = 3837577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3837598 and 3837607.

It is not an unprimeable number, because it can be changed into a prime (3837643) 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, 46760 + ... + 46841.

It is an arithmetic number, because the mean of its divisors is an integer number (982821).

Almost surely, 2^3837641 is an apocalyptic number.

It is an amenable number.

3837641 is a deficient number, since it is larger than the sum of its proper divisors (93643).

3837641 is an equidigital number, since it uses as much as digits as its factorization.

3837641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93642.

The product of its digits is 12096, while the sum is 32.

The square root of 3837641 is about 1958.9897906829. The cubic root of 3837641 is about 156.5626325060.

The spelling of 3837641 in words is "three million, eight hundred thirty-seven thousand, six hundred forty-one".