198029824 has 20 divisors (see below), whose sum is σ = 395673894. Its totient is φ = 99014656.

The previous prime is 198029807. The next prime is 198029831. The reversal of 198029824 is 428920891.

It can be written as a sum of positive squares in only one way, i.e., 135303424 + 62726400 = 11632^2 + 7920^2 .

It is a super-2 number, since 2×198029824² = 78431622386941952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192877 + ... + 193900.

Almost surely, 2^198029824 is an apocalyptic number.

It is an amenable number.

198029824 is a deficient number, since it is larger than the sum of its proper divisors (197644070).

198029824 is an frugal number, since it uses more digits than its factorization.

198029824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386795 (or 386779 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 198029824 is about 14072.3069892609. The cubic root of 198029824 is about 582.8769309113.

The spelling of 198029824 in words is "one hundred ninety-eight million, twenty-nine thousand, eight hundred twenty-four".