3693791 has 2 divisors, whose sum is σ = 3693792. Its totient is φ = 3693790.

The previous prime is 3693787. The next prime is 3693839. The reversal of 3693791 is 1973963.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3693791 - 2² = 3693787 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3693721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1846895 + 1846896.

It is an arithmetic number, because the mean of its divisors is an integer number (1846896).

Almost surely, 2^3693791 is an apocalyptic number.

3693791 is a deficient number, since it is larger than the sum of its proper divisors (1).

3693791 is an equidigital number, since it uses as much as digits as its factorization.

3693791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30618, while the sum is 38.

The square root of 3693791 is about 1921.9237758038. The cubic root of 3693791 is about 154.5814723748.

The spelling of 3693791 in words is "three million, six hundred ninety-three thousand, seven hundred ninety-one".