4140688 has 20 divisors (see below), whose sum is σ = 8085420. Its totient is φ = 2054144.

The previous prime is 4140683. The next prime is 4140691. The reversal of 4140688 is 8860414.

It can be written as a sum of positive squares in 2 ways, for example, as 2214144 + 1926544 = 1488^2 + 1388^2 .

It is a super-2 number, since 2×4140688² = 34290594226688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4140683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1248 + ... + 3136.

It is an arithmetic number, because the mean of its divisors is an integer number (404271).

Almost surely, 2^4140688 is an apocalyptic number.

It is an amenable number.

4140688 is a deficient number, since it is larger than the sum of its proper divisors (3944732).

4140688 is a wasteful number, since it uses less digits than its factorization.

4140688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 4140688 is about 2034.8680546905. The cubic root of 4140688 is about 160.5797716179.

The spelling of 4140688 in words is "four million, one hundred forty thousand, six hundred eighty-eight".