8406480 has 40 divisors (see below), whose sum is σ = 26060832. Its totient is φ = 2241664.

The previous prime is 8406479. The next prime is 8406481. The reversal of 8406480 is 846048.

It is an interprime number because it is at equal distance from previous prime (8406479) and next prime (8406481).

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×8406480³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8406481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17274 + ... + 17753.

Almost surely, 2^8406480 is an apocalyptic number.

8406480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8406480 is an abundant number, since it is smaller than the sum of its proper divisors (17654352).

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

8406480 is a wasteful number, since it uses less digits than its factorization.

8406480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35043 (or 35037 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 8406480 is about 2899.3930399309. The cubic root of 8406480 is about 203.3315297400.

The spelling of 8406480 in words is "eight million, four hundred six thousand, four hundred eighty".