5399681 has 8 divisors (see below), whose sum is σ = 6185280. Its totient is φ = 4617648.

The previous prime is 5399677. The next prime is 5399707. The reversal of 5399681 is 1869935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5399681 - 2² = 5399677 is a prime.

It is a super-2 number, since 2×5399681² = 58313109803522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5399651) 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, 4790 + ... + 5808.

It is an arithmetic number, because the mean of its divisors is an integer number (773160).

Almost surely, 2^5399681 is an apocalyptic number.

It is an amenable number.

5399681 is a deficient number, since it is larger than the sum of its proper divisors (785599).

5399681 is a wasteful number, since it uses less digits than its factorization.

5399681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783.

The product of its digits is 58320, while the sum is 41.

The square root of 5399681 is about 2323.7213688392. The cubic root of 5399681 is about 175.4376095519.

The spelling of 5399681 in words is "five million, three hundred ninety-nine thousand, six hundred eighty-one".