195890254 has 8 divisors (see below), whose sum is σ = 335811888. Its totient is φ = 83952960.

The previous prime is 195890243. The next prime is 195890263. The reversal of 195890254 is 452098591.

195890254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×195890254² = 76745983224369032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 195890254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6996067 + ... + 6996094.

It is an arithmetic number, because the mean of its divisors is an integer number (41976486).

Almost surely, 2^195890254 is an apocalyptic number.

195890254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

195890254 is a deficient number, since it is larger than the sum of its proper divisors (139921634).

195890254 is a wasteful number, since it uses less digits than its factorization.

195890254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13992170.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 195890254 is about 13996.0799511863. The cubic root of 195890254 is about 580.7701362783.

The spelling of 195890254 in words is "one hundred ninety-five million, eight hundred ninety thousand, two hundred fifty-four".