261196 has 12 divisors (see below), whose sum is σ = 492352. Its totient is φ = 120528.

The previous prime is 261169. The next prime is 261223. The reversal of 261196 is 691162.

It is an interprime number because it is at equal distance from previous prime (261169) and next prime (261223).

It is a self number, because there is not a number n which added to its sum of digits gives 261196.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2460 + ... + 2563.

2²⁶¹¹⁹⁶ is an apocalyptic number.

261196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

261196 is a deficient number, since it is larger than the sum of its proper divisors (231156).

261196 is a wasteful number, since it uses less digits than its factorization.

261196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040 (or 5038 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

The square root of 261196 is about 511.0733802498. The cubic root of 261196 is about 63.9227583771.

The spelling of 261196 in words is "two hundred sixty-one thousand, one hundred ninety-six".