197948738 has 16 divisors (see below), whose sum is σ = 327564216. Its totient is φ = 89132160.

The previous prime is 197948657. The next prime is 197948743. The reversal of 197948738 is 837849791.

197948738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 132549169 + 65399569 = 11513^2 + 8087^2 .

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, 91781 + ... + 93912.

Almost surely, 2^197948738 is an apocalyptic number.

197948738 is a deficient number, since it is larger than the sum of its proper divisors (129615478).

197948738 is a wasteful number, since it uses less digits than its factorization.

197948738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185749.

The product of its digits is 3048192, while the sum is 56.

The square root of 197948738 is about 14069.4256457042. The cubic root of 197948738 is about 582.7973644262.

The spelling of 197948738 in words is "one hundred ninety-seven million, nine hundred forty-eight thousand, seven hundred thirty-eight".