103949953 has 8 divisors (see below), whose sum is σ = 106210440. Its totient is φ = 101713920.

The previous prime is 103949927. The next prime is 103949959. The reversal of 103949953 is 359949301.

It can be written as a sum of positive squares in 4 ways, for example, as 7360369 + 96589584 = 2713^2 + 9828^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103949953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103949959) 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, 2613 + ... + 14653.

It is an arithmetic number, because the mean of its divisors is an integer number (13276305).

Almost surely, 2^103949953 is an apocalyptic number.

It is an amenable number.

103949953 is a deficient number, since it is larger than the sum of its proper divisors (2260487).

103949953 is an equidigital number, since it uses as much as digits as its factorization.

103949953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12227.

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 103949953 is about 10195.5849758609. The cubic root of 103949953 is about 470.1914913080.

The spelling of 103949953 in words is "one hundred three million, nine hundred forty-nine thousand, nine hundred fifty-three".