194729856 has 32 divisors (see below), whose sum is σ = 517252200. Its totient is φ = 64909824.

The previous prime is 194729837. The next prime is 194729863. The reversal of 194729856 is 658927491.

194729856 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 194729799 and 194729808.

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, 253171 + ... + 253938.

Almost surely, 2^194729856 is an apocalyptic number.

194729856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

194729856 is an abundant number, since it is smaller than the sum of its proper divisors (322522344).

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

194729856 is an equidigital number, since it uses as much as digits as its factorization.

194729856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507126 (or 507114 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 194729856 is about 13954.5639845894. The cubic root of 194729856 is about 579.6210921925.

The spelling of 194729856 in words is "one hundred ninety-four million, seven hundred twenty-nine thousand, eight hundred fifty-six".