3197998 has 4 divisors (see below), whose sum is σ = 4797000. Its totient is φ = 1598998.

The previous prime is 3197983. The next prime is 3198007. The reversal of 3197998 is 8997913.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 799498 + ... + 799501.

It is an arithmetic number, because the mean of its divisors is an integer number (1199250).

Almost surely, 2^3197998 is an apocalyptic number.

3197998 is a deficient number, since it is larger than the sum of its proper divisors (1599002).

3197998 is a wasteful number, since it uses less digits than its factorization.

3197998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599001.

The product of its digits is 122472, while the sum is 46.

The square root of 3197998 is about 1788.2947184399. The cubic root of 3197998 is about 147.3305225719.

The spelling of 3197998 in words is "three million, one hundred ninety-seven thousand, nine hundred ninety-eight".