630026 has 4 divisors (see below), whose sum is σ = 945042. Its totient is φ = 315012.

The previous prime is 630023. The next prime is 630029. The reversal of 630026 is 620036.

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 (630023) and next prime (630029).

It can be written as a sum of positive squares in only one way, i.e., 469225 + 160801 = 685^2 + 401^2 .

It is a junction number, because it is equal to n+sod(n) for n = 629986 and 630013.

It is not an unprimeable number, because it can be changed into a prime (630023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157505 + ... + 157508.

2⁶³⁰⁰²⁶ is an apocalyptic number.

630026 is a deficient number, since it is larger than the sum of its proper divisors (315016).

630026 is a wasteful number, since it uses less digits than its factorization.

630026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315015.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 630026 is about 793.7417716109. The cubic root of 630026 is about 85.7273681090.

The spelling of 630026 in words is "six hundred thirty thousand, twenty-six".