394446148 has 12 divisors (see below), whose sum is σ = 696614380. Its totient is φ = 195413472.

The previous prime is 394446127. The next prime is 394446149. The reversal of 394446148 is 841644493.

It can be written as a sum of positive squares in 2 ways, for example, as 93354244 + 301091904 = 9662^2 + 17352^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (394446149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451911 + ... + 452782.

Almost surely, 2^394446148 is an apocalyptic number.

It is an amenable number.

394446148 is a deficient number, since it is larger than the sum of its proper divisors (302168232).

394446148 is a wasteful number, since it uses less digits than its factorization.

394446148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904806 (or 904804 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The square root of 394446148 is about 19860.6683674040. The cubic root of 394446148 is about 733.3802999304.

The spelling of 394446148 in words is "three hundred ninety-four million, four hundred forty-six thousand, one hundred forty-eight".