1000297997 has 8 divisors (see below), whose sum is σ = 1081404000. Its totient is φ = 922037904.

The previous prime is 1000297931. The next prime is 1000297999. The reversal of 1000297997 is 7997920001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000297997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000297999) 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, 710747 + ... + 712152.

It is an arithmetic number, because the mean of its divisors is an integer number (135175500).

Almost surely, 2^1000297997 is an apocalyptic number.

It is an amenable number.

1000297997 is a deficient number, since it is larger than the sum of its proper divisors (81106003).

1000297997 is a wasteful number, since it uses less digits than its factorization.

1000297997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422955.

The product of its (nonzero) digits is 71442, while the sum is 44.

The square root of 1000297997 is about 31627.4879969940. The cubic root of 1000297997 is about 1000.0993224681.

The spelling of 1000297997 in words is "one billion, two hundred ninety-seven thousand, nine hundred ninety-seven".