3198215 has 8 divisors (see below), whose sum is σ = 3881520. Its totient is φ = 2529472.

The previous prime is 3198199. The next prime is 3198257. The reversal of 3198215 is 5128913.

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

It is a cyclic number.

It is not a de Polignac number, because 3198215 - 2⁴ = 3198199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3149 + ... + 4038.

It is an arithmetic number, because the mean of its divisors is an integer number (485190).

Almost surely, 2^3198215 is an apocalyptic number.

3198215 is a deficient number, since it is larger than the sum of its proper divisors (683305).

3198215 is an equidigital number, since it uses as much as digits as its factorization.

3198215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7281.

The product of its digits is 2160, while the sum is 29.

The square root of 3198215 is about 1788.3553897366. The cubic root of 3198215 is about 147.3338548651. Note that the first 3 decimals are identical.

The spelling of 3198215 in words is "three million, one hundred ninety-eight thousand, two hundred fifteen".