3521198 has 4 divisors (see below), whose sum is σ = 5281800. Its totient is φ = 1760598.

The previous prime is 3521191. The next prime is 3521201. The reversal of 3521198 is 8911253.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3521198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 880298 + ... + 880301.

It is an arithmetic number, because the mean of its divisors is an integer number (1320450).

Almost surely, 2^3521198 is an apocalyptic number.

3521198 is a deficient number, since it is larger than the sum of its proper divisors (1760602).

3521198 is a wasteful number, since it uses less digits than its factorization.

3521198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760601.

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

The square root of 3521198 is about 1876.4855448417. The cubic root of 3521198 is about 152.1353538103.

The spelling of 3521198 in words is "three million, five hundred twenty-one thousand, one hundred ninety-eight".