197486620 has 24 divisors (see below), whose sum is σ = 439118064. Its totient is φ = 74347776.

The previous prime is 197486591. The next prime is 197486633. The reversal of 197486620 is 26684791.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 290082 + ... + 290761.

It is an arithmetic number, because the mean of its divisors is an integer number (18296586).

Almost surely, 2^197486620 is an apocalyptic number.

197486620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197486620 is an abundant number, since it is smaller than the sum of its proper divisors (241631444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197486620 is a wasteful number, since it uses less digits than its factorization.

197486620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580869 (or 580867 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 197486620 is about 14052.9932754556. The cubic root of 197486620 is about 582.3434910190.

The spelling of 197486620 in words is "one hundred ninety-seven million, four hundred eighty-six thousand, six hundred twenty".