918442103 has 4 divisors (see below), whose sum is σ = 918551760. Its totient is φ = 918332448.

The previous prime is 918442099. The next prime is 918442111. The reversal of 918442103 is 301244819.

It is a happy number.

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 918442103 - 2² = 918442099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 918442103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918442163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41123 + ... + 59396.

It is an arithmetic number, because the mean of its divisors is an integer number (229637940).

Almost surely, 2^918442103 is an apocalyptic number.

918442103 is a deficient number, since it is larger than the sum of its proper divisors (109657).

918442103 is a wasteful number, since it uses less digits than its factorization.

918442103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109656.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 918442103 is about 30305.8097235497. The cubic root of 918442103 is about 972.0395330018.

The spelling of 918442103 in words is "nine hundred eighteen million, four hundred forty-two thousand, one hundred three".