4180406 has 4 divisors (see below), whose sum is σ = 6270612. Its totient is φ = 2090202.

The previous prime is 4180387. The next prime is 4180441. The reversal of 4180406 is 6040814.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045100 + ... + 1045103.

It is an arithmetic number, because the mean of its divisors is an integer number (1567653).

Almost surely, 2^4180406 is an apocalyptic number.

4180406 is a deficient number, since it is larger than the sum of its proper divisors (2090206).

4180406 is a wasteful number, since it uses less digits than its factorization.

4180406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090205.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 4180406 is about 2044.6041181608. The cubic root of 4180406 is about 161.0915724577.

The spelling of 4180406 in words is "four million, one hundred eighty thousand, four hundred six".