3138629 has 16 divisors (see below), whose sum is σ = 3622080. Its totient is φ = 2695680.

The previous prime is 3138601. The next prime is 3138637. The reversal of 3138629 is 9268313.

It is a de Polignac number, because none of the positive numbers 2^k-3138629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3138595 and 3138604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23894 + ... + 24024.

It is an arithmetic number, because the mean of its divisors is an integer number (226380).

Almost surely, 2^3138629 is an apocalyptic number.

It is an amenable number.

3138629 is a deficient number, since it is larger than the sum of its proper divisors (483451).

3138629 is a wasteful number, since it uses less digits than its factorization.

3138629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260.

The product of its digits is 7776, while the sum is 32.

The square root of 3138629 is about 1771.6176224005. The cubic root of 3138629 is about 146.4131196749.

The spelling of 3138629 in words is "three million, one hundred thirty-eight thousand, six hundred twenty-nine".