4181407 has 4 divisors (see below), whose sum is σ = 4294456. Its totient is φ = 4068360.

The previous prime is 4181393. The next prime is 4181413. The reversal of 4181407 is 7041814.

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 4181407 - 2⁷ = 4181279 is a prime.

It is a Duffinian number.

4181407 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4181417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56469 + ... + 56542.

It is an arithmetic number, because the mean of its divisors is an integer number (1073614).

Almost surely, 2^4181407 is an apocalyptic number.

4181407 is a deficient number, since it is larger than the sum of its proper divisors (113049).

4181407 is a wasteful number, since it uses less digits than its factorization.

4181407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113048.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 4181407 is about 2044.8488941729. The cubic root of 4181407 is about 161.1044292468.

The spelling of 4181407 in words is "four million, one hundred eighty-one thousand, four hundred seven".