3129485 has 8 divisors (see below), whose sum is σ = 3793176. Its totient is φ = 2478400.

The previous prime is 3129463. The next prime is 3129487. The reversal of 3129485 is 5849213.

3129485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 885481 + 2244004 = 941^2 + 1498^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3129485 - 2⁶ = 3129421 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3129487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2594 + ... + 3603.

It is an arithmetic number, because the mean of its divisors is an integer number (474147).

Almost surely, 2^3129485 is an apocalyptic number.

It is an amenable number.

3129485 is a deficient number, since it is larger than the sum of its proper divisors (663691).

3129485 is a wasteful number, since it uses less digits than its factorization.

3129485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303.

The product of its digits is 8640, while the sum is 32.

The square root of 3129485 is about 1769.0350477026. The cubic root of 3129485 is about 146.2707959811.

The spelling of 3129485 in words is "three million, one hundred twenty-nine thousand, four hundred eighty-five".