4181340 has 48 divisors (see below), whose sum is σ = 11797632. Its totient is φ = 1106496.

The previous prime is 4181323. The next prime is 4181347. The reversal of 4181340 is 431814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4181347) 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, 13467 + ... + 13773.

It is an arithmetic number, because the mean of its divisors is an integer number (245784).

Almost surely, 2^4181340 is an apocalyptic number.

It is an amenable number.

4181340 is an abundant number, since it is smaller than the sum of its proper divisors (7616292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4181340 is a wasteful number, since it uses less digits than its factorization.

4181340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 4181340 is about 2044.8325114786. The cubic root of 4181340 is about 161.1035687666.

The spelling of 4181340 in words is "four million, one hundred eighty-one thousand, three hundred forty".