8219040 has 48 divisors (see below), whose sum is σ = 25891488. Its totient is φ = 2191616.

The previous prime is 8219033. The next prime is 8219047. The reversal of 8219040 is 409128.

It is an interprime number because it is at equal distance from previous prime (8219033) and next prime (8219047).

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 8219040.

It is not an unprimeable number, because it can be changed into a prime (8219047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8082 + ... + 9041.

It is an arithmetic number, because the mean of its divisors is an integer number (539406).

Almost surely, 2^8219040 is an apocalyptic number.

8219040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8219040 is an abundant number, since it is smaller than the sum of its proper divisors (17672448).

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

8219040 is a wasteful number, since it uses less digits than its factorization.

8219040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17141 (or 17133 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 8219040 is about 2866.8868132523. The cubic root of 8219040 is about 201.8089229950.

The spelling of 8219040 in words is "eight million, two hundred nineteen thousand, forty".