3149405688 has 64 divisors (see below), whose sum is σ = 9250012800. Its totient is φ = 880951680.

The previous prime is 3149405681. The next prime is 3149405689. The reversal of 3149405688 is 8865049413.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149405681) 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 15 ways as a sum of consecutive naturals, for example, 455398 + ... + 462261.

It is an arithmetic number, because the mean of its divisors is an integer number (144531450).

Almost surely, 2^3149405688 is an apocalyptic number.

It is an amenable number.

3149405688 is an abundant number, since it is smaller than the sum of its proper divisors (6100607112).

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

3149405688 is a wasteful number, since it uses less digits than its factorization.

3149405688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917692 (or 917688 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 3149405688 is about 56119.5659997474. The cubic root of 3149405688 is about 1465.8050125716.

The spelling of 3149405688 in words is "three billion, one hundred forty-nine million, four hundred five thousand, six hundred eighty-eight".