198379954 has 8 divisors (see below), whose sum is σ = 303184620. Its totient is φ = 97318416.

The previous prime is 198379897. The next prime is 198379963. The reversal of 198379954 is 459973891.

198379954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 198049329 + 330625 = 14073^2 + 575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×198379954² = 78709212298084232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 198379895 and 198379904.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935649 + ... + 935860.

Almost surely, 2^198379954 is an apocalyptic number.

198379954 is a deficient number, since it is larger than the sum of its proper divisors (104804666).

198379954 is a wasteful number, since it uses less digits than its factorization.

198379954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871564.

The product of its digits is 2449440, while the sum is 55.

The square root of 198379954 is about 14084.7418861689. The cubic root of 198379954 is about 583.2202504787.

It can be divided in two parts, 19837 and 9954, that added together give a cube (29791 = 31³).

The spelling of 198379954 in words is "one hundred ninety-eight million, three hundred seventy-nine thousand, nine hundred fifty-four".