3994495307 has 8 divisors (see below), whose sum is σ = 4547093760. Its totient is φ = 3473473960.

The previous prime is 3994495291. The next prime is 3994495327. The reversal of 3994495307 is 7035944993.

It is a happy number.

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

It is not a de Polignac number, because 3994495307 - 2⁴ = 3994495291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3994495327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7894007 + ... + 7894512.

It is an arithmetic number, because the mean of its divisors is an integer number (568386720).

Almost surely, 2^3994495307 is an apocalyptic number.

3994495307 is a deficient number, since it is larger than the sum of its proper divisors (552598453).

3994495307 is a wasteful number, since it uses less digits than its factorization.

3994495307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15788553.

The product of its (nonzero) digits is 3674160, while the sum is 53.

The square root of 3994495307 is about 63202.0198015855. The cubic root of 3994495307 is about 1586.6725380572.

The spelling of 3994495307 in words is "three billion, nine hundred ninety-four million, four hundred ninety-five thousand, three hundred seven".