394371500 has 48 divisors (see below), whose sum is σ = 863291520. Its totient is φ = 157385600.

The previous prime is 394371479. The next prime is 394371503. The reversal of 394371500 is 5173493.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (394371503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358952 + ... + 360048.

It is an arithmetic number, because the mean of its divisors is an integer number (17985240).

Almost surely, 2^394371500 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 394371500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431645760).

394371500 is an abundant number, since it is smaller than the sum of its proper divisors (468920020).

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

394371500 is a wasteful number, since it uses less digits than its factorization.

394371500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835 (or 1823 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 394371500 is about 19858.7889862398. The cubic root of 394371500 is about 733.3340335163.

The spelling of 394371500 in words is "three hundred ninety-four million, three hundred seventy-one thousand, five hundred".