630243406 has 16 divisors (see below), whose sum is σ = 1033283664. Its totient is φ = 286539264.

The previous prime is 630243403. The next prime is 630243437. The reversal of 630243406 is 604342036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630243403) 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 in 7 ways as a sum of consecutive naturals, for example, 179155 + ... + 182638.

It is an arithmetic number, because the mean of its divisors is an integer number (64580229).

Almost surely, 2^630243406 is an apocalyptic number.

630243406 is a deficient number, since it is larger than the sum of its proper divisors (403040258).

630243406 is a wasteful number, since it uses less digits than its factorization.

630243406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361875.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 630243406 is about 25104.6490913536. The cubic root of 630243406 is about 857.3722775541.

It can be divided in two parts, 63024 and 3406, that added together give a triangular number (66430 = T₃₆₄).

The spelling of 630243406 in words is "six hundred thirty million, two hundred forty-three thousand, four hundred six".