3849391029 has 24 divisors (see below), whose sum is σ = 5654015136. Its totient is φ = 2327802400.

The previous prime is 3849390997. The next prime is 3849391061. The reversal of 3849391029 is 9201939483.

It is an interprime number because it is at equal distance from previous prime (3849390997) and next prime (3849391061).

It is not a de Polignac number, because 3849391029 - 2⁵ = 3849390997 is a prime.

It is a super-2 number, since 2×3849391029² = 29635622588291357682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3849321029) 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 23 ways as a sum of consecutive naturals, for example, 155842 + ... + 178844.

It is an arithmetic number, because the mean of its divisors is an integer number (235583964).

Almost surely, 2^3849391029 is an apocalyptic number.

It is an amenable number.

3849391029 is a deficient number, since it is larger than the sum of its proper divisors (1804624107).

3849391029 is a wasteful number, since it uses less digits than its factorization.

3849391029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23489 (or 23478 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 3849391029 is about 62043.4608077274. The cubic root of 3849391029 is about 1567.2225670895. Note that the first 3 decimals are identical.

The spelling of 3849391029 in words is "three billion, eight hundred forty-nine million, three hundred ninety-one thousand, twenty-nine".