197377494 has 8 divisors (see below), whose sum is σ = 394755000. Its totient is φ = 65792496.

The previous prime is 197377493. The next prime is 197377507. The reversal of 197377494 is 494773791.

It is a sphenic number, since it is the product of 3 distinct primes.

197377494 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197377493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16448119 + ... + 16448130.

It is an arithmetic number, because the mean of its divisors is an integer number (49344375).

Almost surely, 2^197377494 is an apocalyptic number.

197377494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

197377494 is a wasteful number, since it uses less digits than its factorization.

197377494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32896254.

The product of its digits is 1333584, while the sum is 51.

The square root of 197377494 is about 14049.1100785779. The cubic root of 197377494 is about 582.2362086041.

The spelling of 197377494 in words is "one hundred ninety-seven million, three hundred seventy-seven thousand, four hundred ninety-four".