830938 has 4 divisors (see below), whose sum is σ = 1246410. Its totient is φ = 415468.

The previous prime is 830923. The next prime is 830939. The reversal of 830938 is 839038.

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., 797449 + 33489 = 893^2 + 183^2 .

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 (830939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207733 + ... + 207736.

2⁸³⁰⁹³⁸ is an apocalyptic number.

830938 is a deficient number, since it is larger than the sum of its proper divisors (415472).

830938 is a wasteful number, since it uses less digits than its factorization.

830938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415471.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 830938 is about 911.5580069310. The cubic root of 830938 is about 94.0133525622.

Subtracting 830938 from its reverse (839038), we obtain a square (8100 = 90²).

The spelling of 830938 in words is "eight hundred thirty thousand, nine hundred thirty-eight".