931997005 has 8 divisors (see below), whose sum is σ = 1121349600. Its totient is φ = 743628816.

The previous prime is 931996969. The next prime is 931997021. The reversal of 931997005 is 500799139.

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

It is a cyclic number.

It is not a de Polignac number, because 931997005 - 2¹¹ = 931994957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244015 + ... + 247804.

It is an arithmetic number, because the mean of its divisors is an integer number (140168700).

Almost surely, 2^931997005 is an apocalyptic number.

It is an amenable number.

931997005 is a deficient number, since it is larger than the sum of its proper divisors (189352595).

931997005 is a wasteful number, since it uses less digits than its factorization.

931997005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492203.

The product of its (nonzero) digits is 76545, while the sum is 43.

The square root of 931997005 is about 30528.6259926647. The cubic root of 931997005 is about 976.7981736253.

The spelling of 931997005 in words is "nine hundred thirty-one million, nine hundred ninety-seven thousand, five".