8409120 has 48 divisors (see below), whose sum is σ = 26490240. Its totient is φ = 2242304.

The previous prime is 8409119. The next prime is 8409127. The reversal of 8409120 is 219048.

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

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

It is not an unprimeable number, because it can be changed into a prime (8409127) 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, 8280 + ... + 9239.

It is an arithmetic number, because the mean of its divisors is an integer number (551880).

Almost surely, 2^8409120 is an apocalyptic number.

8409120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8409120 is an abundant number, since it is smaller than the sum of its proper divisors (18081120).

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

8409120 is a wasteful number, since it uses less digits than its factorization.

8409120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17537 (or 17529 counting only the distinct ones).

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

The square root of 8409120 is about 2899.8482718929. The cubic root of 8409120 is about 203.3528124908.

The spelling of 8409120 in words is "eight million, four hundred nine thousand, one hundred twenty".