2356426 has 4 divisors (see below), whose sum is σ = 3534642. Its totient is φ = 1178212.

The previous prime is 2356423. The next prime is 2356427. The reversal of 2356426 is 6246532.

It is a happy number.

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., 1452025 + 904401 = 1205^2 + 951^2 .

It is a d-powerful number, because it can be written as 2¹² + 3⁹ + 5⁸ + 6 + 4⁴ + 2¹⁸ + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 2356394 and 2356403.

It is not an unprimeable number, because it can be changed into a prime (2356423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589105 + ... + 589108.

2^2356426 is an apocalyptic number.

2356426 is a deficient number, since it is larger than the sum of its proper divisors (1178216).

2356426 is a wasteful number, since it uses less digits than its factorization.

2356426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178215.

The product of its digits is 8640, while the sum is 28.

The square root of 2356426 is about 1535.0654709165. The cubic root of 2356426 is about 133.0713620087.

The spelling of 2356426 in words is "two million, three hundred fifty-six thousand, four hundred twenty-six".