396181103 has 4 divisors (see below), whose sum is σ = 417032760. Its totient is φ = 375329448.

The previous prime is 396181099. The next prime is 396181109. The reversal of 396181103 is 301181693.

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 396181103 - 2² = 396181099 is a prime.

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 396181103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396181109) 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, 10425800 + ... + 10425837.

It is an arithmetic number, because the mean of its divisors is an integer number (104258190).

Almost surely, 2^396181103 is an apocalyptic number.

396181103 is a deficient number, since it is larger than the sum of its proper divisors (20851657).

396181103 is a wasteful number, since it uses less digits than its factorization.

396181103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20851656.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 396181103 is about 19904.2986060800. The cubic root of 396181103 is about 734.4539748911.

The spelling of 396181103 in words is "three hundred ninety-six million, one hundred eighty-one thousand, one hundred three".