3690823 has 2 divisors, whose sum is σ = 3690824. Its totient is φ = 3690822.

The previous prime is 3690821. The next prime is 3690839. The reversal of 3690823 is 3280963.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3690823 - 2¹ = 3690821 is a prime.

Together with 3690821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3690821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1845411 + 1845412.

It is an arithmetic number, because the mean of its divisors is an integer number (1845412).

Almost surely, 2^3690823 is an apocalyptic number.

3690823 is a deficient number, since it is larger than the sum of its proper divisors (1).

3690823 is an equidigital number, since it uses as much as digits as its factorization.

3690823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 3690823 is about 1921.1514776300. The cubic root of 3690823 is about 154.5400586666.

The spelling of 3690823 in words is "three million, six hundred ninety thousand, eight hundred twenty-three".