4090994 has 8 divisors (see below), whose sum is σ = 6164208. Its totient is φ = 2036260.

The previous prime is 4090991. The next prime is 4090997. The reversal of 4090994 is 4990904.

It is an interprime number because it is at equal distance from previous prime (4090991) and next prime (4090997).

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

It is not an unprimeable number, because it can be changed into a prime (4090991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4052 + ... + 4959.

It is an arithmetic number, because the mean of its divisors is an integer number (770526).

Almost surely, 2^4090994 is an apocalyptic number.

4090994 is a deficient number, since it is larger than the sum of its proper divisors (2073214).

4090994 is a wasteful number, since it uses less digits than its factorization.

4090994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9240.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 4090994 is about 2022.6205773699. The cubic root of 4090994 is about 159.9347911357.

The spelling of 4090994 in words is "four million, ninety thousand, nine hundred ninety-four".