194464632 has 144 divisors (see below), whose sum is σ = 550058040. Its totient is φ = 57254912.

The previous prime is 194464631. The next prime is 194464651. The reversal of 194464632 is 236464491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194464631) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3669118 + ... + 3669170.

Almost surely, 2^194464632 is an apocalyptic number.

194464632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194464632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275029020).

194464632 is an abundant number, since it is smaller than the sum of its proper divisors (355593408).

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

194464632 is a wasteful number, since it uses less digits than its factorization.

194464632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 98 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 194464632 is about 13945.0576190993. The cubic root of 194464632 is about 579.3578227342.

The spelling of 194464632 in words is "one hundred ninety-four million, four hundred sixty-four thousand, six hundred thirty-two".