2630242 has 16 divisors (see below), whose sum is σ = 4131000. Its totient is φ = 1254400.

The previous prime is 2630239. The next prime is 2630281. The reversal of 2630242 is 2420362.

It can be written as a sum of positive squares in 4 ways, for example, as 2627641 + 2601 = 1621^2 + 51^2 .

It is a super-4 number, since 4×2630242⁴ (a number of 27 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5634 + ... + 6082.

2^2630242 is an apocalyptic number.

2630242 is a deficient number, since it is larger than the sum of its proper divisors (1500758).

2630242 is a wasteful number, since it uses less digits than its factorization.

2630242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2630242 is about 1621.8020841027. The cubic root of 2630242 is about 138.0379717674.

The spelling of 2630242 in words is "two million, six hundred thirty thousand, two hundred forty-two".