3726641 has 4 divisors (see below), whose sum is σ = 3922800. Its totient is φ = 3530484.

The previous prime is 3726631. The next prime is 3726647. The reversal of 3726641 is 1466273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3726641 - 2¹⁴ = 3710257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3726647) 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, 98051 + ... + 98088.

It is an arithmetic number, because the mean of its divisors is an integer number (980700).

Almost surely, 2^3726641 is an apocalyptic number.

It is an amenable number.

3726641 is a deficient number, since it is larger than the sum of its proper divisors (196159).

3726641 is a wasteful number, since it uses less digits than its factorization.

3726641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196158.

The product of its digits is 6048, while the sum is 29.

The square root of 3726641 is about 1930.4509835787. The cubic root of 3726641 is about 155.0383671931.

The spelling of 3726641 in words is "three million, seven hundred twenty-six thousand, six hundred forty-one".