3198555 has 64 divisors (see below), whose sum is σ = 6336000. Its totient is φ = 1524096.

The previous prime is 3198553. The next prime is 3198557. The reversal of 3198555 is 5558913.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3198553) and next prime (3198557).

It is not a de Polignac number, because 3198555 - 2¹ = 3198553 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

3198555 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3198553) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74364 + ... + 74406.

It is an arithmetic number, because the mean of its divisors is an integer number (99000).

Almost surely, 2^3198555 is an apocalyptic number.

3198555 is a deficient number, since it is larger than the sum of its proper divisors (3137445).

3198555 is a wasteful number, since it uses less digits than its factorization.

3198555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 99 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 3198555 is about 1788.4504466157. The cubic root of 3198555 is about 147.3390756664.

The spelling of 3198555 in words is "three million, one hundred ninety-eight thousand, five hundred fifty-five".