195868974 has 48 divisors (see below), whose sum is σ = 470416896. Its totient is φ = 54154800.

The previous prime is 195868949. The next prime is 195869021. The reversal of 195868974 is 479868591.

It is a super-3 number, since 3×195868974³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1632 + ... + 19859.

It is an arithmetic number, because the mean of its divisors is an integer number (9800352).

Almost surely, 2^195868974 is an apocalyptic number.

195868974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 195868974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235208448).

195868974 is an abundant number, since it is smaller than the sum of its proper divisors (274547922).

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

195868974 is a wasteful number, since it uses less digits than its factorization.

195868974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21541 (or 21534 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 57.

The square root of 195868974 is about 13995.3197176770. The cubic root of 195868974 is about 580.7491053935.

The spelling of 195868974 in words is "one hundred ninety-five million, eight hundred sixty-eight thousand, nine hundred seventy-four".