2198358396 has 36 divisors (see below), whose sum is σ = 5984421352. Its totient is φ = 676417824.

The previous prime is 2198358389. The next prime is 2198358413. The reversal of 2198358396 is 6938538912.

2198358396 is a `hidden beast` number, since 219 + 8 + 35 + 8 + 396 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2348206 + ... + 2349141.

Almost surely, 2^2198358396 is an apocalyptic number.

2198358396 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2198358396 is an abundant number, since it is smaller than the sum of its proper divisors (3786062956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2198358396 is a wasteful number, since it uses less digits than its factorization.

2198358396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4697370 (or 4697365 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 2198358396 is about 46886.6547751063. The cubic root of 2198358396 is about 1300.2678730045.

The spelling of 2198358396 in words is "two billion, one hundred ninety-eight million, three hundred fifty-eight thousand, three hundred ninety-six".