394075772 has 12 divisors (see below), whose sum is σ = 694897896. Its totient is φ = 195533520.

The previous prime is 394075753. The next prime is 394075807. The reversal of 394075772 is 277570493.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375503 + ... + 376550.

It is an arithmetic number, because the mean of its divisors is an integer number (57908158).

Almost surely, 2^394075772 is an apocalyptic number.

It is an amenable number.

394075772 is a deficient number, since it is larger than the sum of its proper divisors (300822124).

394075772 is a wasteful number, since it uses less digits than its factorization.

394075772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752188 (or 752186 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 44.

The square root of 394075772 is about 19851.3418186278. The cubic root of 394075772 is about 733.1506855502.

The spelling of 394075772 in words is "three hundred ninety-four million, seventy-five thousand, seven hundred seventy-two".