394712733 has 4 divisors (see below), whose sum is σ = 526283648. Its totient is φ = 263141820.

The previous prime is 394712723. The next prime is 394712737. The reversal of 394712733 is 337217493.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 394712733 - 2⁵ = 394712701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 394712691 and 394712700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394712737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65785453 + ... + 65785458.

It is an arithmetic number, because the mean of its divisors is an integer number (131570912).

Almost surely, 2^394712733 is an apocalyptic number.

It is an amenable number.

394712733 is a deficient number, since it is larger than the sum of its proper divisors (131570915).

394712733 is a wasteful number, since it uses less digits than its factorization.

394712733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131570914.

The product of its digits is 95256, while the sum is 39.

The square root of 394712733 is about 19867.3786142007. The cubic root of 394712733 is about 733.5454801967.

The spelling of 394712733 in words is "three hundred ninety-four million, seven hundred twelve thousand, seven hundred thirty-three".