2409380 has 24 divisors (see below), whose sum is σ = 5157432. Its totient is φ = 945152.

The previous prime is 2409377. The next prime is 2409389. The reversal of 2409380 is 839042.

It can be written as a sum of positive squares in 4 ways, for example, as 906304 + 1503076 = 952^2 + 1226^2 .

It is a super-2 number, since 2×2409380² = 11610223968800, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2409389) 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, 77 + ... + 2196.

It is an arithmetic number, because the mean of its divisors is an integer number (214893).

2^2409380 is an apocalyptic number.

2409380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2409380 is an abundant number, since it is smaller than the sum of its proper divisors (2748052).

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

2409380 is a wasteful number, since it uses less digits than its factorization.

2409380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335 (or 2333 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2409380 is about 1552.2177682271. The cubic root of 2409380 is about 134.0607877464.

The spelling of 2409380 in words is "two million, four hundred nine thousand, three hundred eighty".