394851 has 4 divisors (see below), whose sum is σ = 526472. Its totient is φ = 263232.

The previous prime is 394837. The next prime is 394861. The reversal of 394851 is 158493.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 394851 - 2⁵ = 394819 is a prime.

It is a D-number.

It is a Duffinian number.

394851 is a lucky number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (394811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65806 + ... + 65811.

It is an arithmetic number, because the mean of its divisors is an integer number (131618).

2³⁹⁴⁸⁵¹ is an apocalyptic number.

394851 is a deficient number, since it is larger than the sum of its proper divisors (131621).

394851 is a wasteful number, since it uses less digits than its factorization.

394851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131620.

The product of its digits is 4320, while the sum is 30.

The square root of 394851 is about 628.3717052828. The cubic root of 394851 is about 73.3631123319.

Adding to 394851 its product of digits (4320), we get a triangular number (399171 = T₈₉₃).

The spelling of 394851 in words is "three hundred ninety-four thousand, eight hundred fifty-one".