194312448 has 324 divisors, whose sum is σ = 667940364. Its totient is φ = 54067200.

The previous prime is 194312423. The next prime is 194312467. The reversal of 194312448 is 844213491.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 71368704 + 122943744 = 8448^2 + 11088^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4739308 + ... + 4739348.

Almost surely, 2^194312448 is an apocalyptic number.

194312448 is a gapful number since it is divisible by the number (18) 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 194312448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333970182).

194312448 is an abundant number, since it is smaller than the sum of its proper divisors (473627916).

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

194312448 is a wasteful number, since it uses less digits than its factorization.

194312448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 74 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 194312448 is about 13939.5999942610. The cubic root of 194312448 is about 579.2066521422.

The spelling of 194312448 in words is "one hundred ninety-four million, three hundred twelve thousand, four hundred forty-eight".