2187480 has 32 divisors (see below), whose sum is σ = 6562800. Its totient is φ = 583296.

The previous prime is 2187463. The next prime is 2187491. The reversal of 2187480 is 847812.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8995 + ... + 9234.

2^2187480 is an apocalyptic number.

2187480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2187480 is an abundant number, since it is smaller than the sum of its proper divisors (4375320).

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

2187480 is a wasteful number, since it uses less digits than its factorization.

2187480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18243 (or 18239 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 2187480 is about 1479.0131845254. The cubic root of 2187480 is about 129.8119569265.

The spelling of 2187480 in words is "two million, one hundred eighty-seven thousand, four hundred eighty".