3261426 has 64 divisors (see below), whose sum is σ = 8094720. Its totient is φ = 855360.

The previous prime is 3261413. The next prime is 3261437. The reversal of 3261426 is 6241623.

It is a junction number, because it is equal to n+sod(n) for n = 3261396 and 3261405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48645 + ... + 48711.

It is an arithmetic number, because the mean of its divisors is an integer number (126480).

Almost surely, 2^3261426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3261426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4047360).

3261426 is an abundant number, since it is smaller than the sum of its proper divisors (4833294).

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

3261426 is a wasteful number, since it uses less digits than its factorization.

3261426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159.

The product of its digits is 1728, while the sum is 24.

The square root of 3261426 is about 1805.9418595293. The cubic root of 3261426 is about 148.2981874678.

It can be divided in two parts, 32614 and 26, that added together give a triangular number (32640 = T₂₅₅).

The spelling of 3261426 in words is "three million, two hundred sixty-one thousand, four hundred twenty-six".