1997294 has 8 divisors (see below), whose sum is σ = 3226440. Its totient is φ = 921816.

The previous prime is 1997293. The next prime is 1997311. The reversal of 1997294 is 4927991.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1997293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38384 + ... + 38435.

It is an arithmetic number, because the mean of its divisors is an integer number (403305).

2^1997294 is an apocalyptic number.

1997294 is a deficient number, since it is larger than the sum of its proper divisors (1229146).

1997294 is a wasteful number, since it uses less digits than its factorization.

1997294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76834.

The product of its digits is 40824, while the sum is 41.

The square root of 1997294 is about 1413.2565230700. The cubic root of 1997294 is about 125.9352569039.

The spelling of 1997294 in words is "one million, nine hundred ninety-seven thousand, two hundred ninety-four".