997358 has 4 divisors (see below), whose sum is σ = 1496040. Its totient is φ = 498678.

The previous prime is 997357. The next prime is 997369. The reversal of 997358 is 853799.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 997358.

It is not an unprimeable number, because it can be changed into a prime (997357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249338 + ... + 249341.

It is an arithmetic number, because the mean of its divisors is an integer number (374010).

2⁹⁹⁷³⁵⁸ is an apocalyptic number.

997358 is a deficient number, since it is larger than the sum of its proper divisors (498682).

997358 is a wasteful number, since it uses less digits than its factorization.

997358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498681.

The product of its digits is 68040, while the sum is 41.

The square root of 997358 is about 998.6781263250. The cubic root of 997358 is about 99.9118556619.

The spelling of 997358 in words is "nine hundred ninety-seven thousand, three hundred fifty-eight".