675291998 has 4 divisors (see below), whose sum is σ = 1012938000. Its totient is φ = 337645998.

The previous prime is 675291997. The next prime is 675292001. The reversal of 675291998 is 899192576.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675291997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168822998 + ... + 168823001.

It is an arithmetic number, because the mean of its divisors is an integer number (253234500).

Almost surely, 2^675291998 is an apocalyptic number.

675291998 is a deficient number, since it is larger than the sum of its proper divisors (337646002).

675291998 is a wasteful number, since it uses less digits than its factorization.

675291998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337646001.

The product of its digits is 2449440, while the sum is 56.

The square root of 675291998 is about 25986.3810100599. The cubic root of 675291998 is about 877.3317932039.

The spelling of 675291998 in words is "six hundred seventy-five million, two hundred ninety-one thousand, nine hundred ninety-eight".