3601426 has 4 divisors (see below), whose sum is σ = 5402142. Its totient is φ = 1800712.

The previous prime is 3601421. The next prime is 3601427. The reversal of 3601426 is 6241063.

3601426 = T₁₅₄₈ + T₁₅₄₉ + T₁₅₅₀.

3601426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3478225 + 123201 = 1865^2 + 351^2 .

It is a super-3 number, since 3×3601426³ (a number of 21 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3601397 and 3601406.

It is not an unprimeable number, because it can be changed into a prime (3601421) by changing a digit.

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 as a sum of consecutive naturals, namely, 900355 + ... + 900358.

Almost surely, 2^3601426 is an apocalyptic number.

3601426 is the 1550-th centered triangular number.

3601426 is a deficient number, since it is larger than the sum of its proper divisors (1800716).

3601426 is a wasteful number, since it uses less digits than its factorization.

3601426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800715.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3601426 is about 1897.7423428906. The cubic root of 3601426 is about 153.2821200527.

Adding to 3601426 its reverse (6241063), we get a palindrome (9842489).

The spelling of 3601426 in words is "three million, six hundred one thousand, four hundred twenty-six".