3949559492 has 12 divisors (see below), whose sum is σ = 6918238656. Its totient is φ = 1972919880.

The previous prime is 3949559491. The next prime is 3949559569. The reversal of 3949559492 is 2949559493.

It is not an unprimeable number, because it can be changed into a prime (3949559491) 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, 460184 + ... + 468687.

It is an arithmetic number, because the mean of its divisors is an integer number (576519888).

Almost surely, 2^3949559492 is an apocalyptic number.

It is an amenable number.

3949559492 is a deficient number, since it is larger than the sum of its proper divisors (2968679164).

3949559492 is a wasteful number, since it uses less digits than its factorization.

3949559492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929938 (or 929936 counting only the distinct ones).

The product of its digits is 15746400, while the sum is 59.

The square root of 3949559492 is about 62845.5208586897. The cubic root of 3949559492 is about 1580.7003640762.

Subtracting from 3949559492 its reverse (2949559493), we obtain a palindrome (999999999).

The spelling of 3949559492 in words is "three billion, nine hundred forty-nine million, five hundred fifty-nine thousand, four hundred ninety-two".