3139434 has 12 divisors (see below), whose sum is σ = 6802146. Its totient is φ = 1046472.

The previous prime is 3139421. The next prime is 3139447. The reversal of 3139434 is 4349313.

It is an interprime number because it is at equal distance from previous prime (3139421) and next prime (3139447).

It can be written as a sum of positive squares in only one way, i.e., 2030625 + 1108809 = 1425^2 + 1053^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3139398 and 3139407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87189 + ... + 87224.

Almost surely, 2^3139434 is an apocalyptic number.

3139434 is an abundant number, since it is smaller than the sum of its proper divisors (3662712).

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

3139434 is a wasteful number, since it uses less digits than its factorization.

3139434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174421 (or 174418 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 3139434 is about 1771.8448013300. The cubic root of 3139434 is about 146.4256360195.

The spelling of 3139434 in words is "three million, one hundred thirty-nine thousand, four hundred thirty-four".