3123629 has 2 divisors, whose sum is σ = 3123630. Its totient is φ = 3123628.

The previous prime is 3123623. The next prime is 3123641. The reversal of 3123629 is 9263213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2553604 + 570025 = 1598^2 + 755^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123629 - 2¹² = 3119533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3123598 and 3123607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3123623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561814 + 1561815.

It is an arithmetic number, because the mean of its divisors is an integer number (1561815).

Almost surely, 2^3123629 is an apocalyptic number.

It is an amenable number.

3123629 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123629 is an equidigital number, since it uses as much as digits as its factorization.

3123629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 26.

The square root of 3123629 is about 1767.3791330668. The cubic root of 3123629 is about 146.1795033655.

The spelling of 3123629 in words is "three million, one hundred twenty-three thousand, six hundred twenty-nine".