929231972 has 6 divisors (see below), whose sum is σ = 1626155958. Its totient is φ = 464615984.

The previous prime is 929231957. The next prime is 929231981. The reversal of 929231972 is 279132929.

It can be written as a sum of positive squares in only one way, i.e., 807923776 + 121308196 = 28424^2 + 11014^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116153993 + ... + 116154000.

It is an arithmetic number, because the mean of its divisors is an integer number (271025993).

Almost surely, 2^929231972 is an apocalyptic number.

It is an amenable number.

929231972 is a deficient number, since it is larger than the sum of its proper divisors (696923986).

929231972 is a wasteful number, since it uses less digits than its factorization.

929231972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232307997 (or 232307995 counting only the distinct ones).

The product of its digits is 122472, while the sum is 44.

The square root of 929231972 is about 30483.3064479561. The cubic root of 929231972 is about 975.8312339766.

The spelling of 929231972 in words is "nine hundred twenty-nine million, two hundred thirty-one thousand, nine hundred seventy-two".