103906387 has 8 divisors (see below), whose sum is σ = 116764704. Its totient is φ = 91743168.

The previous prime is 103906381. The next prime is 103906399. The reversal of 103906387 is 783609301.

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 103906387 - 2³ = 103906379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103906381) 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, 173458 + ... + 174055.

It is an arithmetic number, because the mean of its divisors is an integer number (14595588).

Almost surely, 2^103906387 is an apocalyptic number.

103906387 is a deficient number, since it is larger than the sum of its proper divisors (12858317).

103906387 is a wasteful number, since it uses less digits than its factorization.

103906387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347549.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 103906387 is about 10193.4482389425. The cubic root of 103906387 is about 470.1257955115.

The spelling of 103906387 in words is "one hundred three million, nine hundred six thousand, three hundred eighty-seven".