197962940 has 72 divisors (see below), whose sum is σ = 489908160. Its totient is φ = 66987648.

The previous prime is 197962939. The next prime is 197962949. The reversal of 197962940 is 49269791.

It is a super-2 number, since 2×197962940² = 78378651226887200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197962949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76142 + ... + 78698.

It is an arithmetic number, because the mean of its divisors is an integer number (6804280).

Almost surely, 2^197962940 is an apocalyptic number.

197962940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197962940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244954080).

197962940 is an abundant number, since it is smaller than the sum of its proper divisors (291945220).

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

197962940 is a wasteful number, since it uses less digits than its factorization.

197962940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659 (or 2650 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 197962940 is about 14069.9303480863. The cubic root of 197962940 is about 582.8113018565.

The spelling of 197962940 in words is "one hundred ninety-seven million, nine hundred sixty-two thousand, nine hundred forty".