197648862 has 16 divisors (see below), whose sum is σ = 408929040. Its totient is φ = 63611072.

The previous prime is 197648809. The next prime is 197648881. The reversal of 197648862 is 268846791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567783 + ... + 568130.

It is an arithmetic number, because the mean of its divisors is an integer number (25558065).

Almost surely, 2^197648862 is an apocalyptic number.

197648862 is an abundant number, since it is smaller than the sum of its proper divisors (211280178).

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

197648862 is a wasteful number, since it uses less digits than its factorization.

197648862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135947.

The product of its digits is 1161216, while the sum is 51.

The square root of 197648862 is about 14058.7645972183. The cubic root of 197648862 is about 582.5029190543.

The spelling of 197648862 in words is "one hundred ninety-seven million, six hundred forty-eight thousand, eight hundred sixty-two".