4405387 has 4 divisors (see below), whose sum is σ = 5034736. Its totient is φ = 3776040.

The previous prime is 4405381. The next prime is 4405403. The reversal of 4405387 is 7835044.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4405387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4405381) 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, 314664 + ... + 314677.

It is an arithmetic number, because the mean of its divisors is an integer number (1258684).

Almost surely, 2^4405387 is an apocalyptic number.

4405387 is a deficient number, since it is larger than the sum of its proper divisors (629349).

4405387 is an equidigital number, since it uses as much as digits as its factorization.

4405387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629348.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 4405387 is about 2098.9013792935. The cubic root of 4405387 is about 163.9311008422.

The spelling of 4405387 in words is "four million, four hundred five thousand, three hundred eighty-seven".