6904136 has 8 divisors (see below), whose sum is σ = 12945270. Its totient is φ = 3452064.

The previous prime is 6904133. The next prime is 6904171. The reversal of 6904136 is 6314096.

It can be written as a sum of positive squares in only one way, i.e., 6280036 + 624100 = 2506^2 + 790^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 6904099 and 6904108.

It is not an unprimeable number, because it can be changed into a prime (6904133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431501 + ... + 431516.

Almost surely, 2^6904136 is an apocalyptic number.

It is an amenable number.

6904136 is a deficient number, since it is larger than the sum of its proper divisors (6041134).

6904136 is a wasteful number, since it uses less digits than its factorization.

6904136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863023 (or 863019 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 6904136 is about 2627.5722635163. The cubic root of 6904136 is about 190.4158573757.

The spelling of 6904136 in words is "six million, nine hundred four thousand, one hundred thirty-six".