931434 has 32 divisors (see below), whose sum is σ = 2167296. Its totient is φ = 261360.

The previous prime is 931421. The next prime is 931487. The reversal of 931434 is 434139.

It is an Ulam number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 931434.

It is an unprimeable number.

931434 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2649 + ... + 2979.

It is an arithmetic number, because the mean of its divisors is an integer number (67728).

2⁹³¹⁴³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 931434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1083648).

931434 is an abundant number, since it is smaller than the sum of its proper divisors (1235862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

931434 is a wasteful number, since it uses less digits than its factorization.

931434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410.

The product of its digits is 1296, while the sum is 24.

The square root of 931434 is about 965.1082840801. The cubic root of 931434 is about 97.6601444442.

The spelling of 931434 in words is "nine hundred thirty-one thousand, four hundred thirty-four".