2153480 has 32 divisors (see below), whose sum is σ = 5538240. Its totient is φ = 738240.

The previous prime is 2153471. The next prime is 2153491. The reversal of 2153480 is 843512.

2153480 = T₂₉₉ + T₃₀₀ + ... + T₃₄₀.

It is a super-2 number, since 2×2153480² = 9274952220800, which contains 22 as substring.

It is an unprimeable number.

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, 3566 + ... + 4125.

It is an arithmetic number, because the mean of its divisors is an integer number (173070).

2^2153480 is an apocalyptic number.

2153480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2153480 is an abundant number, since it is smaller than the sum of its proper divisors (3384760).

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

2153480 is a wasteful number, since it uses less digits than its factorization.

2153480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7709 (or 7705 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2153480 is about 1467.4740202130. The cubic root of 2153480 is about 129.1358862950.

Adding to 2153480 its reverse (843512), we get a palindrome (2996992).

The spelling of 2153480 in words is "two million, one hundred fifty-three thousand, four hundred eighty".