3992623 has 2 divisors, whose sum is σ = 3992624. Its totient is φ = 3992622.

The previous prime is 3992609. The next prime is 3992627. The reversal of 3992623 is 3262993.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3992623 - 2¹⁷ = 3861551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3992627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996311 + 1996312.

It is an arithmetic number, because the mean of its divisors is an integer number (1996312).

Almost surely, 2^3992623 is an apocalyptic number.

3992623 is a deficient number, since it is larger than the sum of its proper divisors (1).

3992623 is an equidigital number, since it uses as much as digits as its factorization.

3992623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 34.

The square root of 3992623 is about 1998.1548989005. The cubic root of 3992623 is about 158.6424596649.

The spelling of 3992623 in words is "three million, nine hundred ninety-two thousand, six hundred twenty-three".