394428050 has 24 divisors (see below), whose sum is σ = 776792916. Its totient is φ = 148490240.

The previous prime is 394428019. The next prime is 394428059. The reversal of 394428050 is 50824493.

It can be written as a sum of positive squares in 6 ways, for example, as 150724729 + 243703321 = 12277^2 + 15611^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 394428050.

It is not an unprimeable number, because it can be changed into a prime (394428059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231167 + ... + 232866.

Almost surely, 2^394428050 is an apocalyptic number.

394428050 is a deficient number, since it is larger than the sum of its proper divisors (382364866).

394428050 is a wasteful number, since it uses less digits than its factorization.

394428050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464062 (or 464057 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 394428050 is about 19860.2127380348. The cubic root of 394428050 is about 733.3690834270.

The spelling of 394428050 in words is "three hundred ninety-four million, four hundred twenty-eight thousand, fifty".