8406080 has 56 divisors (see below), whose sum is σ = 20284440. Its totient is φ = 3317760.

The previous prime is 8406077. The next prime is 8406089. The reversal of 8406080 is 806048.

It can be written as a sum of positive squares in 4 ways, for example, as 2334784 + 6071296 = 1528^2 + 2464^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8406089) 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, 34760 + ... + 35000.

Almost surely, 2^8406080 is an apocalyptic number.

8406080 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 8406080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10142220).

8406080 is an abundant number, since it is smaller than the sum of its proper divisors (11878360).

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

8406080 is a wasteful number, since it uses less digits than its factorization.

8406080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 8406080 is about 2899.3240591559. The cubic root of 8406080 is about 203.3283046921.

The spelling of 8406080 in words is "eight million, four hundred six thousand, eighty".