2409219 has 24 divisors (see below), whose sum is σ = 3732560. Its totient is φ = 1492992.

The previous prime is 2409217. The next prime is 2409229. The reversal of 2409219 is 9129042.

It is not a de Polignac number, because 2409219 - 2¹ = 2409217 is a prime.

It is a super-2 number, since 2×2409219² = 11608672379922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2409192 and 2409201.

It is not an unprimeable number, because it can be changed into a prime (2409217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12387 + ... + 12579.

2^2409219 is an apocalyptic number.

2409219 is a deficient number, since it is larger than the sum of its proper divisors (1323341).

2409219 is a wasteful number, since it uses less digits than its factorization.

2409219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2409219 is about 1552.1659060809. The cubic root of 2409219 is about 134.0578016023.

It can be divided in two parts, 2409 and 219, that added together give a triangular number (2628 = T₇₂).

The spelling of 2409219 in words is "two million, four hundred nine thousand, two hundred nineteen".