2415389 has 2 divisors, whose sum is σ = 2415390. Its totient is φ = 2415388.

The previous prime is 2415379. The next prime is 2415407. The reversal of 2415389 is 9835142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1276900 + 1138489 = 1130^2 + 1067^2 .

It is a cyclic number.

It is not a de Polignac number, because 2415389 - 2¹² = 2411293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2415319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1207694 + 1207695.

It is an arithmetic number, because the mean of its divisors is an integer number (1207695).

2^2415389 is an apocalyptic number.

It is an amenable number.

2415389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2415389 is an equidigital number, since it uses as much as digits as its factorization.

2415389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 2415389 is about 1554.1521804508. The cubic root of 2415389 is about 134.1721445410.

It can be divided in two parts, 24153 and 89, that added together give a palindrome (24242).

The spelling of 2415389 in words is "two million, four hundred fifteen thousand, three hundred eighty-nine".