2415838 has 4 divisors (see below), whose sum is σ = 3623760. Its totient is φ = 1207918.

The previous prime is 2415779. The next prime is 2415839. The reversal of 2415838 is 8385142.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8385142 = 2 ⋅4192571.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2415839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603958 + ... + 603961.

It is an arithmetic number, because the mean of its divisors is an integer number (905940).

2^2415838 is an apocalyptic number.

2415838 is a deficient number, since it is larger than the sum of its proper divisors (1207922).

2415838 is a wasteful number, since it uses less digits than its factorization.

2415838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207921.

The product of its digits is 7680, while the sum is 31.

The square root of 2415838 is about 1554.2966254869. The cubic root of 2415838 is about 134.1804578410.

The spelling of 2415838 in words is "two million, four hundred fifteen thousand, eight hundred thirty-eight".