3726591 has 8 divisors (see below), whose sum is σ = 5420544. Its totient is φ = 2258520.

The previous prime is 3726581. The next prime is 3726599. The reversal of 3726591 is 1956273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3726591 - 2⁵ = 3726559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 112927 = 3726591 / (3 + 7 + 2 + 6 + 5 + 9 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3726599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56431 + ... + 56496.

It is an arithmetic number, because the mean of its divisors is an integer number (677568).

Almost surely, 2^3726591 is an apocalyptic number.

3726591 is a deficient number, since it is larger than the sum of its proper divisors (1693953).

3726591 is a wasteful number, since it uses less digits than its factorization.

3726591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112941.

The product of its digits is 11340, while the sum is 33.

The square root of 3726591 is about 1930.4380331935. The cubic root of 3726591 is about 155.0376738115.

The spelling of 3726591 in words is "three million, seven hundred twenty-six thousand, five hundred ninety-one".