783426 has 32 divisors (see below), whose sum is σ = 1870848. Its totient is φ = 213840.

The previous prime is 783421. The next prime is 783473. The reversal of 783426 is 624387.

783426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×783426² = 1227512594952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 783393 and 783402.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 783426.

It is not an unprimeable number, because it can be changed into a prime (783421) by changing a digit.

783426 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561 + ... + 1371.

It is an arithmetic number, because the mean of its divisors is an integer number (58464).

2⁷⁸³⁴²⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 783426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (935424).

783426 is an abundant number, since it is smaller than the sum of its proper divisors (1087422).

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

783426 is a wasteful number, since it uses less digits than its factorization.

783426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846.

The product of its digits is 8064, while the sum is 30.

The square root of 783426 is about 885.1135520373. The cubic root of 783426 is about 92.1862170271.

The spelling of 783426 in words is "seven hundred eighty-three thousand, four hundred twenty-six".