1023834 has 32 divisors (see below), whose sum is σ = 2465280. Its totient is φ = 276912.

The previous prime is 1023833. The next prime is 1023839. The reversal of 1023834 is 4383201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1023834.

It is not an unprimeable number, because it can be changed into a prime (1023833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157 + ... + 1439.

It is an arithmetic number, because the mean of its divisors is an integer number (77040).

2^1023834 is an apocalyptic number.

1023834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1232640).

1023834 is an abundant number, since it is smaller than the sum of its proper divisors (1441446).

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

1023834 is a wasteful number, since it uses less digits than its factorization.

1023834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1023834 is about 1011.8468263527. The cubic root of 1023834 is about 100.7882371635.

The spelling of 1023834 in words is "one million, twenty-three thousand, eight hundred thirty-four".