198245092 has 12 divisors (see below), whose sum is σ = 367336620. Its totient is φ = 93291776.

The previous prime is 198245081. The next prime is 198245101. The reversal of 198245092 is 290542891.

It can be written as a sum of positive squares in 2 ways, for example, as 138862656 + 59382436 = 11784^2 + 7706^2 .

It is a super-2 number, since 2×198245092² = 78602233004176928, which contains 22 as substring.

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, 1457617 + ... + 1457752.

It is an arithmetic number, because the mean of its divisors is an integer number (30611385).

Almost surely, 2^198245092 is an apocalyptic number.

It is an amenable number.

198245092 is a deficient number, since it is larger than the sum of its proper divisors (169091528).

198245092 is a wasteful number, since it uses less digits than its factorization.

198245092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915390 (or 2915388 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 198245092 is about 14079.9535510597. The cubic root of 198245092 is about 583.0880595692.

It can be divided in two parts, 1982 and 45092, that added together give a palindrome (47074).

The spelling of 198245092 in words is "one hundred ninety-eight million, two hundred forty-five thousand, ninety-two".