2724380 has 24 divisors (see below), whose sum is σ = 5760720. Its totient is φ = 1082240.

The previous prime is 2724377. The next prime is 2724383. The reversal of 2724380 is 834272.

It is an interprime number because it is at equal distance from previous prime (2724377) and next prime (2724383).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2724383) 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, 3200 + ... + 3960.

It is an arithmetic number, because the mean of its divisors is an integer number (240030).

2^2724380 is an apocalyptic number.

2724380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2724380 is an abundant number, since it is smaller than the sum of its proper divisors (3036340).

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

2724380 is a wasteful number, since it uses less digits than its factorization.

2724380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2724380 is about 1650.5695986537. The cubic root of 2724380 is about 139.6655280851.

The spelling of 2724380 in words is "two million, seven hundred twenty-four thousand, three hundred eighty".