389426 has 4 divisors (see below), whose sum is σ = 584142. Its totient is φ = 194712.

The previous prime is 389401. The next prime is 389437. The reversal of 389426 is 624983.

389426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 358801 + 30625 = 599^2 + 175^2 .

It is a junction number, because it is equal to n+sod(n) for n = 389392 and 389401.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 389426.

It is an unprimeable number.

389426 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97355 + ... + 97358.

2³⁸⁹⁴²⁶ is an apocalyptic number.

389426 is a deficient number, since it is larger than the sum of its proper divisors (194716).

389426 is a wasteful number, since it uses less digits than its factorization.

389426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194715.

The product of its digits is 10368, while the sum is 32.

The square root of 389426 is about 624.0400628165. The cubic root of 389426 is about 73.0255743258.

It can be divided in two parts, 3 and 89426, that multiplied together give a triangular number (268278 = T₇₃₂).

The spelling of 389426 in words is "three hundred eighty-nine thousand, four hundred twenty-six".