5405685 has 16 divisors (see below), whose sum is σ = 8678016. Its totient is φ = 2873408.

The previous prime is 5405681. The next prime is 5405717. The reversal of 5405685 is 5865045.

5405685 = 771² + 772² + ... + 779².

It is a cyclic number.

It is not a de Polignac number, because 5405685 - 2² = 5405681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8032 + ... + 8678.

It is an arithmetic number, because the mean of its divisors is an integer number (542376).

Almost surely, 2^5405685 is an apocalyptic number.

It is an amenable number.

5405685 is a deficient number, since it is larger than the sum of its proper divisors (3272331).

5405685 is a wasteful number, since it uses less digits than its factorization.

5405685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 5405685 is about 2325.0129031900. The cubic root of 5405685 is about 175.5026095179.

The spelling of 5405685 in words is "five million, four hundred five thousand, six hundred eighty-five".