2353638 has 16 divisors (see below), whose sum is σ = 5379840. Its totient is φ = 672456.

The previous prime is 2353621. The next prime is 2353639. The reversal of 2353638 is 8363532.

It is a super-2 number, since 2×2353638² = 11079223670088, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2²¹ + 3⁵ + 5⁷ + 3⁵ + 6³ + 3¹¹ + 8³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2353639) 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 in 7 ways as a sum of consecutive naturals, for example, 27978 + ... + 28061.

It is an arithmetic number, because the mean of its divisors is an integer number (336240).

2^2353638 is an apocalyptic number.

2353638 is an abundant number, since it is smaller than the sum of its proper divisors (3026202).

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

2353638 is a wasteful number, since it uses less digits than its factorization.

2353638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56051.

The product of its digits is 12960, while the sum is 30.

The square root of 2353638 is about 1534.1570975620. The cubic root of 2353638 is about 133.0188602722.

The spelling of 2353638 in words is "two million, three hundred fifty-three thousand, six hundred thirty-eight".