394466448 has 80 divisors (see below), whose sum is σ = 1091001600. Its totient is φ = 122440320.

The previous prime is 394466447. The next prime is 394466461. The reversal of 394466448 is 844664493.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 394466397 and 394466406.

It is not an unprimeable number, because it can be changed into a prime (394466447) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 50143 + ... + 57473.

It is an arithmetic number, because the mean of its divisors is an integer number (13637520).

Almost surely, 2^394466448 is an apocalyptic number.

394466448 is a gapful number since it is divisible by the number (38) 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 394466448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545500800).

394466448 is an abundant number, since it is smaller than the sum of its proper divisors (696535152).

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

394466448 is a wasteful number, since it uses less digits than its factorization.

394466448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7420 (or 7414 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 48.

The square root of 394466448 is about 19861.1794211723. The cubic root of 394466448 is about 733.3928807477.

The spelling of 394466448 in words is "three hundred ninety-four million, four hundred sixty-six thousand, four hundred forty-eight".