4181387 has 16 divisors (see below), whose sum is σ = 5088000. Its totient is φ = 3356640.

The previous prime is 4181383. The next prime is 4181393. The reversal of 4181387 is 7831814.

It is not a de Polignac number, because 4181387 - 2² = 4181383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4181383) 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, 19712 + ... + 19922.

It is an arithmetic number, because the mean of its divisors is an integer number (318000).

Almost surely, 2^4181387 is an apocalyptic number.

4181387 is a deficient number, since it is larger than the sum of its proper divisors (906613).

4181387 is a wasteful number, since it uses less digits than its factorization.

4181387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386.

The product of its digits is 5376, while the sum is 32.

The square root of 4181387 is about 2044.8440038301. The cubic root of 4181387 is about 161.1041723880.

The spelling of 4181387 in words is "four million, one hundred eighty-one thousand, three hundred eighty-seven".