3129036 has 12 divisors (see below), whose sum is σ = 7301112. Its totient is φ = 1043008.

The previous prime is 3129031. The next prime is 3129043. The reversal of 3129036 is 6309213.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3128997 and 3129015.

It is not an unprimeable number, because it can be changed into a prime (3129031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130365 + ... + 130388.

It is an arithmetic number, because the mean of its divisors is an integer number (608426).

Almost surely, 2^3129036 is an apocalyptic number.

It is an amenable number.

3129036 is an abundant number, since it is smaller than the sum of its proper divisors (4172076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3129036 is a wasteful number, since it uses less digits than its factorization.

3129036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260760 (or 260758 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 3129036 is about 1768.9081378070. The cubic root of 3129036 is about 146.2638002903.

The spelling of 3129036 in words is "three million, one hundred twenty-nine thousand, thirty-six".