394969248 has 72 divisors (see below), whose sum is σ = 1172047968. Its totient is φ = 125930112.

The previous prime is 394969243. The next prime is 394969297. The reversal of 394969248 is 842969493.

394969248 is a `hidden beast` number, since 394 + 9 + 6 + 9 + 248 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a junction number, because it is equal to n+sod(n) for n = 394969194 and 394969203.

It is not an unprimeable number, because it can be changed into a prime (394969243) 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 11 ways as a sum of consecutive naturals, for example, 23190 + ... + 36437.

It is an arithmetic number, because the mean of its divisors is an integer number (16278444).

Almost surely, 2^394969248 is an apocalyptic number.

It is an amenable number.

394969248 is an abundant number, since it is smaller than the sum of its proper divisors (777078720).

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

394969248 is a wasteful number, since it uses less digits than its factorization.

394969248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59666 (or 59655 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 394969248 is about 19873.8332487721. The cubic root of 394969248 is about 733.7043507341.

The spelling of 394969248 in words is "three hundred ninety-four million, nine hundred sixty-nine thousand, two hundred forty-eight".