4371681 has 8 divisors (see below), whose sum is σ = 5964640. Its totient is φ = 2846592.

The previous prime is 4371677. The next prime is 4371701. The reversal of 4371681 is 1861734.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4371681 - 2² = 4371677 is a prime.

It is a super-2 number, since 2×4371681² = 38223189531522, which contains 22 as substring.

It is a Duffinian number.

4371681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4371641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16816 + ... + 17073.

It is an arithmetic number, because the mean of its divisors is an integer number (745580).

Almost surely, 2^4371681 is an apocalyptic number.

It is an amenable number.

4371681 is a deficient number, since it is larger than the sum of its proper divisors (1592959).

4371681 is a wasteful number, since it uses less digits than its factorization.

4371681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33935.

The product of its digits is 4032, while the sum is 30.

The square root of 4371681 is about 2090.8565230546. The cubic root of 4371681 is about 163.5119463070.

The spelling of 4371681 in words is "four million, three hundred seventy-one thousand, six hundred eighty-one".