197433290 has 16 divisors (see below), whose sum is σ = 355644000. Its totient is φ = 78914640.

The previous prime is 197433263. The next prime is 197433317. The reversal of 197433290 is 92334791.

It is an interprime number because it is at equal distance from previous prime (197433263) and next prime (197433317).

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, 8405 + ... + 21575.

It is an arithmetic number, because the mean of its divisors is an integer number (22227750).

Almost surely, 2^197433290 is an apocalyptic number.

197433290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197433290 is a deficient number, since it is larger than the sum of its proper divisors (158210710).

197433290 is a wasteful number, since it uses less digits than its factorization.

197433290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14677.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 197433290 is about 14051.0956868139. The cubic root of 197433290 is about 582.2910669201.

The spelling of 197433290 in words is "one hundred ninety-seven million, four hundred thirty-three thousand, two hundred ninety".