929981057 has 8 divisors (see below), whose sum is σ = 991063296. Its totient is φ = 870619552.

The previous prime is 929981047. The next prime is 929981093. The reversal of 929981057 is 750189929.

It is a happy number.

929981057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 929981057 - 2⁶ = 929980993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 929980996 and 929981014.

It is not an unprimeable number, because it can be changed into a prime (929981047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429068 + ... + 431229.

It is an arithmetic number, because the mean of its divisors is an integer number (123882912).

Almost surely, 2^929981057 is an apocalyptic number.

It is an amenable number.

929981057 is a deficient number, since it is larger than the sum of its proper divisors (61082239).

929981057 is a wasteful number, since it uses less digits than its factorization.

929981057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860367.

The product of its (nonzero) digits is 408240, while the sum is 50.

The square root of 929981057 is about 30495.5907796521. The cubic root of 929981057 is about 976.0933802893.

The spelling of 929981057 in words is "nine hundred twenty-nine million, nine hundred eighty-one thousand, fifty-seven".