9690623 has 2 divisors, whose sum is σ = 9690624. Its totient is φ = 9690622.

The previous prime is 9690619. The next prime is 9690641. The reversal of 9690623 is 3260969.

It is a weak prime.

It is an emirp because it is prime and its reverse (3260969) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9690623 - 2² = 9690619 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9690673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4845311 + 4845312.

It is an arithmetic number, because the mean of its divisors is an integer number (4845312).

Almost surely, 2^9690623 is an apocalyptic number.

9690623 is a deficient number, since it is larger than the sum of its proper divisors (1).

9690623 is an equidigital number, since it uses as much as digits as its factorization.

9690623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 9690623 is about 3112.9765498635. The cubic root of 9690623 is about 213.1983795448.

The spelling of 9690623 in words is "nine million, six hundred ninety thousand, six hundred twenty-three".