4046081 has 4 divisors (see below), whose sum is σ = 4357332. Its totient is φ = 3734832.

The previous prime is 4046059. The next prime is 4046083. The reversal of 4046081 is 1806404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 748225 + 3297856 = 865^2 + 1816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4046081 is a prime.

It is a super-2 number, since 2×4046081² = 32741542917122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4046083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155606 + ... + 155631.

It is an arithmetic number, because the mean of its divisors is an integer number (1089333).

Almost surely, 2^4046081 is an apocalyptic number.

It is an amenable number.

4046081 is a deficient number, since it is larger than the sum of its proper divisors (311251).

4046081 is a wasteful number, since it uses less digits than its factorization.

4046081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311250.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 4046081 is about 2011.4872607103. The cubic root of 4046081 is about 159.3473544769.

The spelling of 4046081 in words is "four million, forty-six thousand, eighty-one".