886243990 has 16 divisors (see below), whose sum is σ = 1621391760. Its totient is φ = 348685920.

The previous prime is 886243979. The next prime is 886243997. The reversal of 886243990 is 99342688.

It is a super-2 number, since 2×886243990² = 1570856819622240200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (886243997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725820 + ... + 727039.

It is an arithmetic number, because the mean of its divisors is an integer number (101336985).

Almost surely, 2^886243990 is an apocalyptic number.

886243990 is a deficient number, since it is larger than the sum of its proper divisors (735147770).

886243990 is a wasteful number, since it uses less digits than its factorization.

886243990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452927.

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 886243990 is about 29769.8503523279. The cubic root of 886243990 is about 960.5451150336.

It can be divided in two parts, 8862439 and 90, that added together give a square (8862529 = 2977²).

The spelling of 886243990 in words is "eight hundred eighty-six million, two hundred forty-three thousand, nine hundred ninety".