3706091 has 4 divisors (see below), whose sum is σ = 3784992. Its totient is φ = 3627192.

The previous prime is 3706069. The next prime is 3706093. The reversal of 3706091 is 1906073.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3706091 - 2¹⁰ = 3705067 is a prime.

It is a super-2 number, since 2×3706091² = 27470221000562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3706091.

It is not an unprimeable number, because it can be changed into a prime (3706093) 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, 39380 + ... + 39473.

It is an arithmetic number, because the mean of its divisors is an integer number (946248).

Almost surely, 2^3706091 is an apocalyptic number.

3706091 is a deficient number, since it is larger than the sum of its proper divisors (78901).

3706091 is an equidigital number, since it uses as much as digits as its factorization.

3706091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78900.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 3706091 is about 1925.1210351560. The cubic root of 3706091 is about 154.7528631908.

The spelling of 3706091 in words is "three million, seven hundred six thousand, ninety-one".