4067861 has 8 divisors (see below), whose sum is σ = 4674624. Its totient is φ = 3467520.

The previous prime is 4067857. The next prime is 4067863. The reversal of 4067861 is 1687604.

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

It is not a de Polignac number, because 4067861 - 2² = 4067857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4067863) 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, 155 + ... + 2856.

It is an arithmetic number, because the mean of its divisors is an integer number (584328).

Almost surely, 2^4067861 is an apocalyptic number.

It is an amenable number.

4067861 is a deficient number, since it is larger than the sum of its proper divisors (606763).

4067861 is a wasteful number, since it uses less digits than its factorization.

4067861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 4067861 is about 2016.8938990438. The cubic root of 4067861 is about 159.6327645289.

The spelling of 4067861 in words is "four million, sixty-seven thousand, eight hundred sixty-one".