934391 has 4 divisors (see below), whose sum is σ = 937392. Its totient is φ = 931392.

The previous prime is 934387. The next prime is 934393. The reversal of 934391 is 193439.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 193439 = 19 ⋅10181.

It is a cyclic number.

It is not a de Polignac number, because 934391 - 2² = 934387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (934393) 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, 971 + ... + 1676.

It is an arithmetic number, because the mean of its divisors is an integer number (234348).

2⁹³⁴³⁹¹ is an apocalyptic number.

934391 is a deficient number, since it is larger than the sum of its proper divisors (3001).

934391 is a wasteful number, since it uses less digits than its factorization.

934391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000.

The product of its digits is 2916, while the sum is 29.

The square root of 934391 is about 966.6390225932. The cubic root of 934391 is about 97.7633816711.

The spelling of 934391 in words is "nine hundred thirty-four thousand, three hundred ninety-one".