3726426 has 32 divisors (see below), whose sum is σ = 8211456. Its totient is φ = 1118000.

The previous prime is 3726421. The next prime is 3726439. The reversal of 3726426 is 6246273.

It is a junction number, because it is equal to n+sod(n) for n = 3726393 and 3726402.

It is not an unprimeable number, because it can be changed into a prime (3726421) 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, 8431 + ... + 8861.

It is an arithmetic number, because the mean of its divisors is an integer number (256608).

Almost surely, 2^3726426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3726426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4105728).

3726426 is an abundant number, since it is smaller than the sum of its proper divisors (4485030).

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

3726426 is a wasteful number, since it uses less digits than its factorization.

3726426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578.

The product of its digits is 12096, while the sum is 30.

The square root of 3726426 is about 1930.3952963059. The cubic root of 3726426 is about 155.0353856082.

The spelling of 3726426 in words is "three million, seven hundred twenty-six thousand, four hundred twenty-six".