196865955 has 48 divisors (see below), whose sum is σ = 400903776. Its totient is φ = 88104960.

The previous prime is 196865951. The next prime is 196866013. The reversal of 196865955 is 559568691.

It is not a de Polignac number, because 196865955 - 2² = 196865951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196865951) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8862 + ... + 21731.

It is an arithmetic number, because the mean of its divisors is an integer number (8352162).

Almost surely, 2^196865955 is an apocalyptic number.

196865955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

196865955 is an abundant number, since it is smaller than the sum of its proper divisors (204037821).

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

196865955 is a wasteful number, since it uses less digits than its factorization.

196865955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30628 (or 30625 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 54.

The square root of 196865955 is about 14030.8928796424. The cubic root of 196865955 is about 581.7327837677.

The spelling of 196865955 in words is "one hundred ninety-six million, eight hundred sixty-five thousand, nine hundred fifty-five".