2358409 has 2 divisors, whose sum is σ = 2358410. Its totient is φ = 2358408.

The previous prime is 2358403. The next prime is 2358431. The reversal of 2358409 is 9048532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2039184 + 319225 = 1428^2 + 565^2 .

It is a cyclic number.

It is not a de Polignac number, because 2358409 - 2³ = 2358401 is a prime.

It is a super-2 number, since 2×2358409² = 11124186022562, which contains 22 as substring.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (2358401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1179204 + 1179205.

It is an arithmetic number, because the mean of its divisors is an integer number (1179205).

2^2358409 is an apocalyptic number.

It is an amenable number.

2358409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2358409 is an equidigital number, since it uses as much as digits as its factorization.

2358409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2358409 is about 1535.7112358774. The cubic root of 2358409 is about 133.1086793308.

The spelling of 2358409 in words is "two million, three hundred fifty-eight thousand, four hundred nine".