3138692 has 12 divisors (see below), whose sum is σ = 5515020. Its totient is φ = 1562976.

The previous prime is 3138691. The next prime is 3138767. The reversal of 3138692 is 2968313.

3138692 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1915456 + 1223236 = 1384^2 + 1106^2 .

It is not an unprimeable number, because it can be changed into a prime (3138691) 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 3 ways as a sum of consecutive naturals, for example, 383 + ... + 2534.

It is an arithmetic number, because the mean of its divisors is an integer number (459585).

Almost surely, 2^3138692 is an apocalyptic number.

It is an amenable number.

3138692 is a deficient number, since it is larger than the sum of its proper divisors (2376328).

3138692 is a wasteful number, since it uses less digits than its factorization.

3138692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190 (or 3188 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 3138692 is about 1771.6354026718. The cubic root of 3138692 is about 146.4140992921.

The spelling of 3138692 in words is "three million, one hundred thirty-eight thousand, six hundred ninety-two".