394629 has 4 divisors (see below), whose sum is σ = 526176. Its totient is φ = 263084.

The previous prime is 394619. The next prime is 394631. The reversal of 394629 is 926493.

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 a cyclic number.

It is not a de Polignac number, because 394629 - 2⁷ = 394501 is a prime.

It is a d-powerful number, because it can be written as 3³ + 9 + 6⁴ + 4⁹ + 2¹⁷ + 9² .

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 394629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65769 + ... + 65774.

It is an arithmetic number, because the mean of its divisors is an integer number (131544).

2³⁹⁴⁶²⁹ is an apocalyptic number.

It is an amenable number.

394629 is a deficient number, since it is larger than the sum of its proper divisors (131547).

394629 is a wasteful number, since it uses less digits than its factorization.

394629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131546.

The product of its digits is 11664, while the sum is 33.

The square root of 394629 is about 628.1950334092. The cubic root of 394629 is about 73.3493605924.

The spelling of 394629 in words is "three hundred ninety-four thousand, six hundred twenty-nine".