394639352 has 8 divisors (see below), whose sum is σ = 739948800. Its totient is φ = 197319672.

The previous prime is 394639327. The next prime is 394639361. The reversal of 394639352 is 253936493.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24664952 + ... + 24664967.

It is an arithmetic number, because the mean of its divisors is an integer number (92493600).

Almost surely, 2^394639352 is an apocalyptic number.

It is an amenable number.

394639352 is a deficient number, since it is larger than the sum of its proper divisors (345309448).

394639352 is a wasteful number, since it uses less digits than its factorization.

394639352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49329925 (or 49329921 counting only the distinct ones).

The product of its digits is 524880, while the sum is 44.

The square root of 394639352 is about 19865.5317572926. The cubic root of 394639352 is about 733.5000195934.

The spelling of 394639352 in words is "three hundred ninety-four million, six hundred thirty-nine thousand, three hundred fifty-two".