2630426 has 4 divisors (see below), whose sum is σ = 3945642. Its totient is φ = 1315212.

The previous prime is 2630423. The next prime is 2630429. The reversal of 2630426 is 6240362.

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

It is an interprime number because it is at equal distance from previous prime (2630423) and next prime (2630429).

It can be written as a sum of positive squares in only one way, i.e., 2608225 + 22201 = 1615^2 + 149^2 .

It is not an unprimeable number, because it can be changed into a prime (2630423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657605 + ... + 657608.

2^2630426 is an apocalyptic number.

2630426 is a deficient number, since it is larger than the sum of its proper divisors (1315216).

2630426 is a wasteful number, since it uses less digits than its factorization.

2630426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315215.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2630426 is about 1621.8588101311. The cubic root of 2630426 is about 138.0411905327.

Adding to 2630426 its reverse (6240362), we get a palindrome (8870788).

The spelling of 2630426 in words is "two million, six hundred thirty thousand, four hundred twenty-six".