993955103 has 4 divisors (see below), whose sum is σ = 994161528. Its totient is φ = 993748680.

The previous prime is 993955073. The next prime is 993955121. The reversal of 993955103 is 301559399.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 993955103 - 2¹⁴ = 993938719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993955153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95813 + ... + 105678.

It is an arithmetic number, because the mean of its divisors is an integer number (248540382).

Almost surely, 2^993955103 is an apocalyptic number.

993955103 is a deficient number, since it is larger than the sum of its proper divisors (206425).

993955103 is a wasteful number, since it uses less digits than its factorization.

993955103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206424.

The product of its (nonzero) digits is 164025, while the sum is 44.

The square root of 993955103 is about 31527.0535096447. The cubic root of 993955103 is about 997.9809605566.

The spelling of 993955103 in words is "nine hundred ninety-three million, nine hundred fifty-five thousand, one hundred three".