8040000 has 140 divisors (see below), whose sum is σ = 26978864. Its totient is φ = 2112000.

The previous prime is 8039987. The next prime is 8040013. The reversal of 8040000 is 408.

It is an interprime number because it is at equal distance from previous prime (8039987) and next prime (8040013).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 119967 + ... + 120033.

Almost surely, 2^8040000 is an apocalyptic number.

8040000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13489432).

8040000 is an abundant number, since it is smaller than the sum of its proper divisors (18938864).

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

8040000 is an equidigital number, since it uses as much as digits as its factorization.

8040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 8040000 is about 2835.4893757516. The cubic root of 8040000 is about 200.3327793159.

Adding to 8040000 its reverse (408), we get a palindrome (8040408).

It can be divided in two parts, 80 and 40000, that multiplied together give a 5-th power (3200000 = 20⁵).

The spelling of 8040000 in words is "eight million, forty thousand".