623697 has 8 divisors (see below), whose sum is σ = 838656. Its totient is φ = 412272.

The previous prime is 623683. The next prime is 623699. The reversal of 623697 is 796326.

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

It is not a de Polignac number, because 623697 - 2⁴ = 623681 is a prime.

It is a d-powerful number, because it can be written as 6³ + 2¹⁵ + 6³ + 3¹² + 9⁵ + 7 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 623697.

It is not an unprimeable number, because it can be changed into a prime (623699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438 + ... + 1199.

It is an arithmetic number, because the mean of its divisors is an integer number (104832).

2⁶²³⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

623697 is a deficient number, since it is larger than the sum of its proper divisors (214959).

623697 is a wasteful number, since it uses less digits than its factorization.

623697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767.

The product of its digits is 13608, while the sum is 33.

The square root of 623697 is about 789.7448955201. The cubic root of 623697 is about 85.4393400316.

The spelling of 623697 in words is "six hundred twenty-three thousand, six hundred ninety-seven".