3138435 has 24 divisors (see below), whose sum is σ = 5503680. Its totient is φ = 1654272.

The previous prime is 3138403. The next prime is 3138449. The reversal of 3138435 is 5348313.

It is a happy number.

It is not a de Polignac number, because 3138435 - 2⁵ = 3138403 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3138399 and 3138408.

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 23 ways as a sum of consecutive naturals, for example, 4006 + ... + 4724.

It is an arithmetic number, because the mean of its divisors is an integer number (229320).

Almost surely, 2^3138435 is an apocalyptic number.

3138435 is a deficient number, since it is larger than the sum of its proper divisors (2365245).

3138435 is a wasteful number, since it uses less digits than its factorization.

3138435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 824 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 3138435 is about 1771.5628693332. The cubic root of 3138435 is about 146.4101029935.

The spelling of 3138435 in words is "three million, one hundred thirty-eight thousand, four hundred thirty-five".