194809954 has 16 divisors (see below), whose sum is σ = 306513792. Its totient is φ = 92683008.

The previous prime is 194809933. The next prime is 194809961. The reversal of 194809954 is 459908491.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 194809898 and 194809907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2094 + ... + 19849.

It is an arithmetic number, because the mean of its divisors is an integer number (19157112).

Almost surely, 2^194809954 is an apocalyptic number.

194809954 is a deficient number, since it is larger than the sum of its proper divisors (111703838).

194809954 is a wasteful number, since it uses less digits than its factorization.

194809954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22161.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 194809954 is about 13957.4336466272. The cubic root of 194809954 is about 579.7005529167.

The spelling of 194809954 in words is "one hundred ninety-four million, eight hundred nine thousand, nine hundred fifty-four".