4380406 has 4 divisors (see below), whose sum is σ = 6570612. Its totient is φ = 2190202.

The previous prime is 4380403. The next prime is 4380413. The reversal of 4380406 is 6040834.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4380401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095100 + ... + 1095103.

It is an arithmetic number, because the mean of its divisors is an integer number (1642653).

Almost surely, 2^4380406 is an apocalyptic number.

4380406 is a deficient number, since it is larger than the sum of its proper divisors (2190206).

4380406 is a wasteful number, since it uses less digits than its factorization.

4380406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190205.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4380406 is about 2092.9419485499. The cubic root of 4380406 is about 163.6206530558.

The spelling of 4380406 in words is "four million, three hundred eighty thousand, four hundred six".