197349894 has 48 divisors (see below), whose sum is σ = 489464352. Its totient is φ = 56294784.

The previous prime is 197349883. The next prime is 197349917. The reversal of 197349894 is 498943791.

It is a super-2 number, since 2×197349894² = 77893961323622472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 197349894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137002 + ... + 138434.

It is an arithmetic number, because the mean of its divisors is an integer number (10197174).

Almost surely, 2^197349894 is an apocalyptic number.

197349894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

197349894 is an abundant number, since it is smaller than the sum of its proper divisors (292114458).

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

197349894 is a wasteful number, since it uses less digits than its factorization.

197349894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541 (or 2538 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 197349894 is about 14048.1277756148. The cubic root of 197349894 is about 582.2090686161.

The spelling of 197349894 in words is "one hundred ninety-seven million, three hundred forty-nine thousand, eight hundred ninety-four".