6895138 has 16 divisors (see below), whose sum is σ = 10938240. Its totient is φ = 3250800.

The previous prime is 6895123. The next prime is 6895139. The reversal of 6895138 is 8315986.

It is a happy number.

It is a super-3 number, since 3×6895138³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6895138.

It is not an unprimeable number, because it can be changed into a prime (6895139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15783 + ... + 16213.

It is an arithmetic number, because the mean of its divisors is an integer number (683640).

Almost surely, 2^6895138 is an apocalyptic number.

6895138 is a deficient number, since it is larger than the sum of its proper divisors (4043102).

6895138 is a wasteful number, since it uses less digits than its factorization.

6895138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873.

The product of its digits is 51840, while the sum is 40.

The square root of 6895138 is about 2625.8594783423. The cubic root of 6895138 is about 190.3330998927. Note that the first 3 decimals are identical.

It can be divided in two parts, 6895 and 138, that multiplied together give a triangular number (951510 = T₁₃₇₉).

The spelling of 6895138 in words is "six million, eight hundred ninety-five thousand, one hundred thirty-eight".