194152470 has 16 divisors (see below), whose sum is σ = 465966000. Its totient is φ = 51773984.

The previous prime is 194152429. The next prime is 194152481. The reversal of 194152470 is 74251491.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3235845 + ... + 3235904.

It is an arithmetic number, because the mean of its divisors is an integer number (29122875).

Almost surely, 2^194152470 is an apocalyptic number.

194152470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194152470 is an abundant number, since it is smaller than the sum of its proper divisors (271813530).

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

194152470 is a wasteful number, since it uses less digits than its factorization.

194152470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6471759.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 194152470 is about 13933.8605562134. The cubic root of 194152470 is about 579.0476543295.

The spelling of 194152470 in words is "one hundred ninety-four million, one hundred fifty-two thousand, four hundred seventy".