3949339494 has 8 divisors (see below), whose sum is σ = 7898679000. Its totient is φ = 1316446496.

The previous prime is 3949339397. The next prime is 3949339529. The reversal of 3949339494 is 4949339493.

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

3949339494 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 329111619 + ... + 329111630.

It is an arithmetic number, because the mean of its divisors is an integer number (987334875).

Almost surely, 2^3949339494 is an apocalyptic number.

3949339494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3949339494 is a wasteful number, since it uses less digits than its factorization.

3949339494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658223254.

The product of its digits is 11337408, while the sum is 57.

The square root of 3949339494 is about 62843.7705266003. The cubic root of 3949339494 is about 1580.6710141891.

Subtracting 3949339494 from its reverse (4949339493), we obtain a palindrome (999999999).

It can be divided in two parts, 39493 and 39494, that added together give a palindrome (78987).

The spelling of 3949339494 in words is "three billion, nine hundred forty-nine million, three hundred thirty-nine thousand, four hundred ninety-four".