8949830 has 16 divisors (see below), whose sum is σ = 16143840. Its totient is φ = 3572352.

The previous prime is 8949823. The next prime is 8949839. The reversal of 8949830 is 389498.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8949839) by changing a digit.

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, 8366 + ... + 9374.

It is an arithmetic number, because the mean of its divisors is an integer number (1008990).

Almost surely, 2^8949830 is an apocalyptic number.

8949830 is a deficient number, since it is larger than the sum of its proper divisors (7194010).

8949830 is a wasteful number, since it uses less digits than its factorization.

8949830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 8949830 is about 2991.6266478289. The cubic root of 8949830 is about 207.6211514888.

It can be divided in two parts, 8949 and 830, that added together give a palindrome (9779).

The spelling of 8949830 in words is "eight million, nine hundred forty-nine thousand, eight hundred thirty".