868483990 has 16 divisors (see below), whose sum is σ = 1705386960. Its totient is φ = 315812320.

The previous prime is 868483969. The next prime is 868483997. The reversal of 868483990 is 99384868.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868483997) 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, 3947545 + ... + 3947764.

It is an arithmetic number, because the mean of its divisors is an integer number (106586685).

Almost surely, 2^868483990 is an apocalyptic number.

868483990 is a deficient number, since it is larger than the sum of its proper divisors (836902970).

868483990 is a wasteful number, since it uses less digits than its factorization.

868483990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7895327.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 868483990 is about 29470.0524261495. The cubic root of 868483990 is about 954.0854488521.

The spelling of 868483990 in words is "eight hundred sixty-eight million, four hundred eighty-three thousand, nine hundred ninety".