390103 has 8 divisors (see below), whose sum is σ = 465408. Its totient is φ = 319704.

The previous prime is 390101. The next prime is 390107. The reversal of 390103 is 301093.

It is a happy number.

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

It is not a de Polignac number, because 390103 - 2¹ = 390101 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 (390101) 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, 1051 + ... + 1372.

It is an arithmetic number, because the mean of its divisors is an integer number (58176).

2³⁹⁰¹⁰³ is an apocalyptic number.

390103 is a deficient number, since it is larger than the sum of its proper divisors (75305).

390103 is a wasteful number, since it uses less digits than its factorization.

390103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 390103 is about 624.5822603949. The cubic root of 390103 is about 73.0678670787.

Adding to 390103 its reverse (301093), we get a palindrome (691196).

The spelling of 390103 in words is "three hundred ninety thousand, one hundred three".