4981630 has 8 divisors (see below), whose sum is σ = 8966952. Its totient is φ = 1992648.

The previous prime is 4981609. The next prime is 4981631. The reversal of 4981630 is 361894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 4981592 and 4981601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4981631) 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 3 ways as a sum of consecutive naturals, for example, 249072 + ... + 249091.

It is an arithmetic number, because the mean of its divisors is an integer number (1120869).

Almost surely, 2^4981630 is an apocalyptic number.

4981630 is a deficient number, since it is larger than the sum of its proper divisors (3985322).

4981630 is a wasteful number, since it uses less digits than its factorization.

4981630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498170.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 4981630 is about 2231.9565407955. The cubic root of 4981630 is about 170.7879226250.

The spelling of 4981630 in words is "four million, nine hundred eighty-one thousand, six hundred thirty".