3129534 has 36 divisors (see below), whose sum is σ = 7023744. Its totient is φ = 1006992.

The previous prime is 3129523. The next prime is 3129557. The reversal of 3129534 is 4359213.

3129534 is a `hidden beast` number, since 3 + 129 + 534 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3129498 and 3129507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24579 + ... + 24705.

It is an arithmetic number, because the mean of its divisors is an integer number (195104).

Almost surely, 2^3129534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3129534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3511872).

3129534 is an abundant number, since it is smaller than the sum of its proper divisors (3894210).

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

3129534 is a wasteful number, since it uses less digits than its factorization.

3129534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 169 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 3129534 is about 1769.0488970065. The cubic root of 3129534 is about 146.2715593902.

It can be divided in two parts, 31295 and 34, that added together give a square (31329 = 177²).

The spelling of 3129534 in words is "three million, one hundred twenty-nine thousand, five hundred thirty-four".