864283620 has 24 divisors (see below), whose sum is σ = 2419994304. Its totient is φ = 230475616.

The previous prime is 864283613. The next prime is 864283633. The reversal of 864283620 is 26382468.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7202304 + ... + 7202423.

It is an arithmetic number, because the mean of its divisors is an integer number (100833096).

Almost surely, 2^864283620 is an apocalyptic number.

It is an amenable number.

864283620 is an abundant number, since it is smaller than the sum of its proper divisors (1555710684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

864283620 is a wasteful number, since it uses less digits than its factorization.

864283620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14404739 (or 14404737 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 864283620 is about 29398.7009917105. The cubic root of 864283620 is about 952.5448370679.

The spelling of 864283620 in words is "eight hundred sixty-four million, two hundred eighty-three thousand, six hundred twenty".