2404081 has 4 divisors (see below), whose sum is σ = 2481664. Its totient is φ = 2326500.

The previous prime is 2404079. The next prime is 2404093. The reversal of 2404081 is 1804042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2404081 - 2¹ = 2404079 is a prime.

It is a super-2 number, since 2×2404081² = 11559210909122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2414081) 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, 38745 + ... + 38806.

It is an arithmetic number, because the mean of its divisors is an integer number (620416).

2^2404081 is an apocalyptic number.

It is an amenable number.

2404081 is a deficient number, since it is larger than the sum of its proper divisors (77583).

2404081 is an equidigital number, since it uses as much as digits as its factorization.

2404081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77582.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2404081 is about 1550.5099161244. The cubic root of 2404081 is about 133.9624347065.

The spelling of 2404081 in words is "two million, four hundred four thousand, eighty-one".