2117480 has 16 divisors (see below), whose sum is σ = 4764420. Its totient is φ = 846976.

The previous prime is 2117477. The next prime is 2117497. The reversal of 2117480 is 847112.

It can be written as a sum of positive squares in 2 ways, for example, as 2114116 + 3364 = 1454^2 + 58^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26429 + ... + 26508.

2^2117480 is an apocalyptic number.

2117480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2117480 is an abundant number, since it is smaller than the sum of its proper divisors (2646940).

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

2117480 is a wasteful number, since it uses less digits than its factorization.

2117480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52948 (or 52944 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 2117480 is about 1455.1563489880. The cubic root of 2117480 is about 128.4122450902.

The spelling of 2117480 in words is "two million, one hundred seventeen thousand, four hundred eighty".