3849391492 has 6 divisors (see below), whose sum is σ = 6736435118. Its totient is φ = 1924695744.

The previous prime is 3849391363. The next prime is 3849391493. The reversal of 3849391492 is 2941939483.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3846976576 + 2414916 = 62024^2 + 1554^2 .

It is not an unprimeable number, because it can be changed into a prime (3849391493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481173933 + ... + 481173940.

Almost surely, 2^3849391492 is an apocalyptic number.

It is an amenable number.

3849391492 is a deficient number, since it is larger than the sum of its proper divisors (2887043626).

3849391492 is a wasteful number, since it uses less digits than its factorization.

3849391492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962347877 (or 962347875 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 52.

The square root of 3849391492 is about 62043.4645389827. The cubic root of 3849391492 is about 1567.2226299240. Note that the first 3 decimals are identical.

The spelling of 3849391492 in words is "three billion, eight hundred forty-nine million, three hundred ninety-one thousand, four hundred ninety-two".