196731340 has 48 divisors (see below), whose sum is σ = 446009760. Its totient is φ = 72460800.

The previous prime is 196731329. The next prime is 196731341. The reversal of 196731340 is 43137691.

It is a junction number, because it is equal to n+sod(n) for n = 196731296 and 196731305.

It is not an unprimeable number, because it can be changed into a prime (196731341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155631 + ... + 156889.

It is an arithmetic number, because the mean of its divisors is an integer number (9291870).

Almost surely, 2^196731340 is an apocalyptic number.

196731340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196731340 is an abundant number, since it is smaller than the sum of its proper divisors (249278420).

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

196731340 is a wasteful number, since it uses less digits than its factorization.

196731340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882 (or 1880 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 196731340 is about 14026.0949661693. The cubic root of 196731340 is about 581.6001591524.

The spelling of 196731340 in words is "one hundred ninety-six million, seven hundred thirty-one thousand, three hundred forty".