3923629 has 2 divisors, whose sum is σ = 3923630. Its totient is φ = 3923628.

The previous prime is 3923627. The next prime is 3923641. The reversal of 3923629 is 9263293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2566404 + 1357225 = 1602^2 + 1165^2 .

It is a cyclic number.

It is not a de Polignac number, because 3923629 - 2¹ = 3923627 is a prime.

Together with 3923627, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3923594 and 3923603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3923627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1961814 + 1961815.

It is an arithmetic number, because the mean of its divisors is an integer number (1961815).

Almost surely, 2^3923629 is an apocalyptic number.

It is an amenable number.

3923629 is a deficient number, since it is larger than the sum of its proper divisors (1).

3923629 is an equidigital number, since it uses as much as digits as its factorization.

3923629 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 3923629 is about 1980.8152362096. The cubic root of 3923629 is about 157.7233448449.

The spelling of 3923629 in words is "three million, nine hundred twenty-three thousand, six hundred twenty-nine".