2897998 has 8 divisors (see below), whose sum is σ = 4385808. Its totient is φ = 1436064.

The previous prime is 2897989. The next prime is 2898017. The reversal of 2897998 is 8997982.

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

It is a congruent number.

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, 6186 + ... + 6637.

It is an arithmetic number, because the mean of its divisors is an integer number (548226).

2^2897998 is an apocalyptic number.

2897998 is a deficient number, since it is larger than the sum of its proper divisors (1487810).

2897998 is a wasteful number, since it uses less digits than its factorization.

2897998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12938.

The product of its digits is 653184, while the sum is 52.

The square root of 2897998 is about 1702.3507276704. The cubic root of 2897998 is about 142.5714917763.

The spelling of 2897998 in words is "two million, eight hundred ninety-seven thousand, nine hundred ninety-eight".