394041024 has 168 divisors, whose sum is σ = 1262024400. Its totient is φ = 121181184.

The previous prime is 394041017. The next prime is 394041041. The reversal of 394041024 is 420140493.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201202 + ... + 203150.

It is an arithmetic number, because the mean of its divisors is an integer number (7512050).

Almost surely, 2^394041024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394041024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631012200).

394041024 is an abundant number, since it is smaller than the sum of its proper divisors (867983376).

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

394041024 is a wasteful number, since it uses less digits than its factorization.

394041024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989 (or 1967 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 394041024 is about 19850.4665940123. The cubic root of 394041024 is about 733.1291361676.

The spelling of 394041024 in words is "three hundred ninety-four million, forty-one thousand, twenty-four".