197623885 has 8 divisors (see below), whose sum is σ = 240489216. Its totient is φ = 155872080.

The previous prime is 197623859. The next prime is 197623891. The reversal of 197623885 is 588326791.

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

It is not a de Polignac number, because 197623885 - 2²¹ = 195526733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277989 + ... + 278698.

It is an arithmetic number, because the mean of its divisors is an integer number (30061152).

Almost surely, 2^197623885 is an apocalyptic number.

It is an amenable number.

197623885 is a deficient number, since it is larger than the sum of its proper divisors (42865331).

197623885 is an equidigital number, since it uses as much as digits as its factorization.

197623885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556763.

The product of its digits is 725760, while the sum is 49.

The square root of 197623885 is about 14057.8762620817. The cubic root of 197623885 is about 582.4783809447.

The spelling of 197623885 in words is "one hundred ninety-seven million, six hundred twenty-three thousand, eight hundred eighty-five".