2400469 has 2 divisors, whose sum is σ = 2400470.
Its totient is φ = 2400468.
The previous prime is 2400413. The next prime is 2400473. The reversal of 2400469 is 9640042.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2140369 + 260100 = 1463^2 + 510^2
It is a cyclic number.
It is not a de Polignac number, because 2400469 - 219 = 1876181 is a prime.
It is a super-2 number, since 2×24004692 = 11524502839922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2400169) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200234 + 1200235.
It is an arithmetic number, because the mean of its divisors is an integer number (1200235).
22400469 is an apocalyptic number.
It is an amenable number.
2400469 is a deficient number, since it is larger than the sum of its proper divisors (1).
2400469 is an equidigital number, since it uses as much as digits as its factorization.
2400469 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 2400469 is about 1549.3447001878.
The cubic root of 2400469 is about 133.8953106721.
The spelling of 2400469 in words is "two million, four hundred thousand, four hundred sixty-nine".