109963 has 8 divisors (see below), whose sum is σ = 131328. Its totient is φ = 90024.

The previous prime is 109961. The next prime is 109987. The reversal of 109963 is 369901.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 109963 - 2¹ = 109961 is a prime.

It is a super-2 number, since 2×109963² = 24183722738, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109961) 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, 181 + ... + 502.

It is an arithmetic number, because the mean of its divisors is an integer number (16416).

2¹⁰⁹⁹⁶³ is an apocalyptic number.

109963 is a deficient number, since it is larger than the sum of its proper divisors (21365).

109963 is an equidigital number, since it uses as much as digits as its factorization.

109963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 109963 is about 331.6066947454. The cubic root of 109963 is about 47.9088257702.

The spelling of 109963 in words is "one hundred nine thousand, nine hundred sixty-three".