997349 has 8 divisors (see below), whose sum is σ = 1053312. Its totient is φ = 942480.

The previous prime is 997343. The next prime is 997357. The reversal of 997349 is 943799.

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 997349 - 2⁴ = 997333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997343) 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, 2159 + ... + 2579.

It is an arithmetic number, because the mean of its divisors is an integer number (131664).

2⁹⁹⁷³⁴⁹ is an apocalyptic number.

It is an amenable number.

997349 is a deficient number, since it is larger than the sum of its proper divisors (55963).

997349 is a wasteful number, since it uses less digits than its factorization.

997349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547.

The product of its digits is 61236, while the sum is 41.

The square root of 997349 is about 998.6736203585. The cubic root of 997349 is about 99.9115551314.

The spelling of 997349 in words is "nine hundred ninety-seven thousand, three hundred forty-nine".