3726623 has 2 divisors, whose sum is σ = 3726624. Its totient is φ = 3726622.

The previous prime is 3726599. The next prime is 3726629. The reversal of 3726623 is 3266273.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3726623 - 2⁶ = 3726559 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is equal to p₂₆₅₁₆₉ and since 3726623 and 265169 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3726629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1863311 + 1863312.

It is an arithmetic number, because the mean of its divisors is an integer number (1863312).

Almost surely, 2^3726623 is an apocalyptic number.

3726623 is a deficient number, since it is larger than the sum of its proper divisors (1).

3726623 is an equidigital number, since it uses as much as digits as its factorization.

3726623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 29.

The square root of 3726623 is about 1930.4463214500. The cubic root of 3726623 is about 155.0381175765.

The spelling of 3726623 in words is "three million, seven hundred twenty-six thousand, six hundred twenty-three".