103944387 has 8 divisors (see below), whose sum is σ = 139066704. Its totient is φ = 69059168.

The previous prime is 103944353. The next prime is 103944391. The reversal of 103944387 is 783449301.

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 103944387 - 2⁷ = 103944259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103944317) 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, 58248 + ... + 60005.

It is an arithmetic number, because the mean of its divisors is an integer number (17383338).

Almost surely, 2^103944387 is an apocalyptic number.

103944387 is a deficient number, since it is larger than the sum of its proper divisors (35122317).

103944387 is a wasteful number, since it uses less digits than its factorization.

103944387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118549.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 103944387 is about 10195.3120109195. The cubic root of 103944387 is about 470.1830990241.

The spelling of 103944387 in words is "one hundred three million, nine hundred forty-four thousand, three hundred eighty-seven".