997834 has 8 divisors (see below), whose sum is σ = 1518048. Its totient is φ = 491820.

The previous prime is 997813. The next prime is 997877. The reversal of 997834 is 438799.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3372 + ... + 3655.

It is an arithmetic number, because the mean of its divisors is an integer number (189756).

2⁹⁹⁷⁸³⁴ is an apocalyptic number.

997834 is a deficient number, since it is larger than the sum of its proper divisors (520214).

997834 is a wasteful number, since it uses less digits than its factorization.

997834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100.

The product of its digits is 54432, while the sum is 40.

The square root of 997834 is about 998.9164129195. The cubic root of 997834 is about 99.9277478088.

The spelling of 997834 in words is "nine hundred ninety-seven thousand, eight hundred thirty-four".