394165103 has 16 divisors (see below), whose sum is σ = 413223552. Its totient is φ = 375648000.

The previous prime is 394165097. The next prime is 394165141. The reversal of 394165103 is 301561493.

It is a cyclic number.

It is not a de Polignac number, because 394165103 - 2⁸ = 394164847 is a prime.

It is a super-2 number, since 2×394165103² = 310732256846001218, which contains 22 as substring.

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 394165103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394165153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432218 + ... + 433128.

It is an arithmetic number, because the mean of its divisors is an integer number (25826472).

Almost surely, 2^394165103 is an apocalyptic number.

394165103 is a deficient number, since it is larger than the sum of its proper divisors (19058449).

394165103 is a wasteful number, since it uses less digits than its factorization.

394165103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 394165103 is about 19853.5916901703. The cubic root of 394165103 is about 733.2060794113.

The spelling of 394165103 in words is "three hundred ninety-four million, one hundred sixty-five thousand, one hundred three".