929144988 has 36 divisors (see below), whose sum is σ = 2363096008. Its totient is φ = 307812960.

The previous prime is 929144987. The next prime is 929145001. The reversal of 929144988 is 889441929.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (929144981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73303 + ... + 85038.

Almost surely, 2^929144988 is an apocalyptic number.

It is an amenable number.

929144988 is an abundant number, since it is smaller than the sum of its proper divisors (1433951020).

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

929144988 is a wasteful number, since it uses less digits than its factorization.

929144988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158514 (or 158509 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 929144988 is about 30481.8796664510. The cubic root of 929144988 is about 975.8007843310.

The spelling of 929144988 in words is "nine hundred twenty-nine million, one hundred forty-four thousand, nine hundred eighty-eight".