394105532 has 6 divisors (see below), whose sum is σ = 689684688. Its totient is φ = 197052764.

The previous prime is 394105531. The next prime is 394105541. The reversal of 394105532 is 235501493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394105531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49263188 + ... + 49263195.

It is an arithmetic number, because the mean of its divisors is an integer number (114947448).

Almost surely, 2^394105532 is an apocalyptic number.

It is an amenable number.

394105532 is a deficient number, since it is larger than the sum of its proper divisors (295579156).

394105532 is a wasteful number, since it uses less digits than its factorization.

394105532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98526387 (or 98526385 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 394105532 is about 19852.0913759735. The cubic root of 394105532 is about 733.1691405587.

The spelling of 394105532 in words is "three hundred ninety-four million, one hundred five thousand, five hundred thirty-two".