399300103 has 4 divisors (see below), whose sum is σ = 400784760. Its totient is φ = 397815448.

The previous prime is 399300071. The next prime is 399300149. The reversal of 399300103 is 301003993.

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 399300103 - 2⁵ = 399300071 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 (399300163) 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, 741925 + ... + 742462.

It is an arithmetic number, because the mean of its divisors is an integer number (100196190).

Almost surely, 2^399300103 is an apocalyptic number.

399300103 is a deficient number, since it is larger than the sum of its proper divisors (1484657).

399300103 is a wasteful number, since it uses less digits than its factorization.

399300103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484656.

The product of its (nonzero) digits is 2187, while the sum is 28.

The square root of 399300103 is about 19982.4949142994. The cubic root of 399300103 is about 736.3763084068.

The spelling of 399300103 in words is "three hundred ninety-nine million, three hundred thousand, one hundred three".