2415438 has 12 divisors (see below), whose sum is σ = 5233488. Its totient is φ = 805140.

The previous prime is 2415431. The next prime is 2415443. The reversal of 2415438 is 8345142.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2415431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67078 + ... + 67113.

It is an arithmetic number, because the mean of its divisors is an integer number (436124).

2^2415438 is an apocalyptic number.

2415438 is an abundant number, since it is smaller than the sum of its proper divisors (2818050).

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

2415438 is a wasteful number, since it uses less digits than its factorization.

2415438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134199 (or 134196 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 2415438 is about 1554.1679445929. The cubic root of 2415438 is about 134.1730518332.

The spelling of 2415438 in words is "two million, four hundred fifteen thousand, four hundred thirty-eight".