194890752 has 352 divisors, whose sum is σ = 707443200. Its totient is φ = 51757056.

The previous prime is 194890693. The next prime is 194890757. The reversal of 194890752 is 257098491.

It is a junction number, because it is equal to n+sod(n) for n = 194890698 and 194890707.

It is not an unprimeable number, because it can be changed into a prime (194890757) 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, 3677158 + ... + 3677210.

Almost surely, 2^194890752 is an apocalyptic number.

194890752 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 194890752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353721600).

194890752 is an abundant number, since it is smaller than the sum of its proper divisors (512552448).

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

194890752 is a wasteful number, since it uses less digits than its factorization.

194890752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 194890752 is about 13960.3277898479. The cubic root of 194890752 is about 579.7806860077.

The spelling of 194890752 in words is "one hundred ninety-four million, eight hundred ninety thousand, seven hundred fifty-two".