194906481 has 32 divisors (see below), whose sum is σ = 325721088. Its totient is φ = 100712640.

The previous prime is 194906473. The next prime is 194906483. The reversal of 194906481 is 184609491.

194906481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 194906481 - 2³ = 194906473 is a prime.

It is a super-2 number, since 2×194906481² = 75977072671606722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (194906483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43366 + ... + 47648.

It is an arithmetic number, because the mean of its divisors is an integer number (10178784).

Almost surely, 2^194906481 is an apocalyptic number.

194906481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

194906481 is a deficient number, since it is larger than the sum of its proper divisors (130814607).

194906481 is a wasteful number, since it uses less digits than its factorization.

194906481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 194906481 is about 13960.8911248530. The cubic root of 194906481 is about 579.7962829938.

The spelling of 194906481 in words is "one hundred ninety-four million, nine hundred six thousand, four hundred eighty-one".