3198381 has 16 divisors (see below), whose sum is σ = 4468800. Its totient is φ = 2032128.

The previous prime is 3198359. The next prime is 3198389. The reversal of 3198381 is 1838913.

It is not a de Polignac number, because 3198381 - 2¹⁸ = 2936237 is a prime.

It is a super-2 number, since 2×3198381² = 20459282042322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3198389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8250 + ... + 8628.

It is an arithmetic number, because the mean of its divisors is an integer number (279300).

Almost surely, 2^3198381 is an apocalyptic number.

It is an amenable number.

3198381 is a deficient number, since it is larger than the sum of its proper divisors (1270419).

3198381 is a wasteful number, since it uses less digits than its factorization.

3198381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508.

The product of its digits is 5184, while the sum is 33.

The square root of 3198381 is about 1788.4018004912. The cubic root of 3198381 is about 147.3364038908.

The spelling of 3198381 in words is "three million, one hundred ninety-eight thousand, three hundred eighty-one".