2358638 has 4 divisors (see below), whose sum is σ = 3537960. Its totient is φ = 1179318.

The previous prime is 2358637. The next prime is 2358661. The reversal of 2358638 is 8368532.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2358598 and 2358607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2358637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589658 + ... + 589661.

It is an arithmetic number, because the mean of its divisors is an integer number (884490).

2^2358638 is an apocalyptic number.

2358638 is a deficient number, since it is larger than the sum of its proper divisors (1179322).

2358638 is a wasteful number, since it uses less digits than its factorization.

2358638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179321.

The product of its digits is 34560, while the sum is 35.

The square root of 2358638 is about 1535.7857923552. The cubic root of 2358638 is about 133.1129874472.

The spelling of 2358638 in words is "two million, three hundred fifty-eight thousand, six hundred thirty-eight".