425938 has 4 divisors (see below), whose sum is σ = 638910. Its totient is φ = 212968.

The previous prime is 425911. The next prime is 425939. The reversal of 425938 is 839524.

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., 247009 + 178929 = 497^2 + 423^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (425939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106483 + ... + 106486.

2⁴²⁵⁹³⁸ is an apocalyptic number.

425938 is a deficient number, since it is larger than the sum of its proper divisors (212972).

425938 is a wasteful number, since it uses less digits than its factorization.

425938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212971.

The product of its digits is 8640, while the sum is 31.

The square root of 425938 is about 652.6392571705. The cubic root of 425938 is about 75.2400015413.

The spelling of 425938 in words is "four hundred twenty-five thousand, nine hundred thirty-eight".