198062493 has 4 divisors (see below), whose sum is σ = 264083328. Its totient is φ = 132041660.

The previous prime is 198062477. The next prime is 198062507. The reversal of 198062493 is 394260891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 394260891 = 3 ⋅131420297.

It is a cyclic number.

It is not a de Polignac number, because 198062493 - 2⁴ = 198062477 is a prime.

It is a super-2 number, since 2×198062493² = 78457502266750098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198062093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33010413 + ... + 33010418.

It is an arithmetic number, because the mean of its divisors is an integer number (66020832).

Almost surely, 2^198062493 is an apocalyptic number.

It is an amenable number.

198062493 is a deficient number, since it is larger than the sum of its proper divisors (66020835).

198062493 is an equidigital number, since it uses as much as digits as its factorization.

198062493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66020834.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 198062493 is about 14073.4676963426. The cubic root of 198062493 is about 582.9089815709.

The spelling of 198062493 in words is "one hundred ninety-eight million, sixty-two thousand, four hundred ninety-three".