4090394147 has 4 divisors (see below), whose sum is σ = 4674736176. Its totient is φ = 3506052120.

The previous prime is 4090394053. The next prime is 4090394149. The reversal of 4090394147 is 7414930904.

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

It is a cyclic number.

It is not a de Polignac number, because 4090394147 - 2¹⁴ = 4090377763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4090394149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292171004 + ... + 292171017.

It is an arithmetic number, because the mean of its divisors is an integer number (1168684044).

Almost surely, 2^4090394147 is an apocalyptic number.

4090394147 is a deficient number, since it is larger than the sum of its proper divisors (584342029).

4090394147 is an equidigital number, since it uses as much as digits as its factorization.

4090394147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584342028.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 4090394147 is about 63956.1892782864. The cubic root of 4090394147 is about 1599.2697379730.

The spelling of 4090394147 in words is "four billion, ninety million, three hundred ninety-four thousand, one hundred forty-seven".