931772093 has 24 divisors (see below), whose sum is σ = 1099620288. Its totient is φ = 787159296.

The previous prime is 931772087. The next prime is 931772099. The reversal of 931772093 is 390277139.

It is an interprime number because it is at equal distance from previous prime (931772087) and next prime (931772099).

It is not a de Polignac number, because 931772093 - 2⁴ = 931772077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 931772093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (931772099) 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 23 ways as a sum of consecutive naturals, for example, 1781330 + ... + 1781852.

It is an arithmetic number, because the mean of its divisors is an integer number (45817512).

Almost surely, 2^931772093 is an apocalyptic number.

It is an amenable number.

931772093 is a deficient number, since it is larger than the sum of its proper divisors (167848195).

931772093 is a wasteful number, since it uses less digits than its factorization.

931772093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 931772093 is about 30524.9421457273. The cubic root of 931772093 is about 976.7195927914.

The spelling of 931772093 in words is "nine hundred thirty-one million, seven hundred seventy-two thousand, ninety-three".