198146907 has 12 divisors (see below), whose sum is σ = 327099760. Its totient is φ = 113226768.

The previous prime is 198146903. The next prime is 198146911. The reversal of 198146907 is 709641891.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (198146903) and next prime (198146911).

It is not a de Polignac number, because 198146907 - 2² = 198146903 is a prime.

It is a super-3 number, since 3×198146907³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198146903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1572532 + ... + 1572657.

Almost surely, 2^198146907 is an apocalyptic number.

198146907 is a deficient number, since it is larger than the sum of its proper divisors (128952853).

198146907 is a wasteful number, since it uses less digits than its factorization.

198146907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145202 (or 3145199 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 198146907 is about 14076.4664244973. The cubic root of 198146907 is about 582.9917815148.

The spelling of 198146907 in words is "one hundred ninety-eight million, one hundred forty-six thousand, nine hundred seven".