2347638 has 8 divisors (see below), whose sum is σ = 4695288. Its totient is φ = 782544.

The previous prime is 2347627. The next prime is 2347663. The reversal of 2347638 is 8367432.

It is a sphenic number, since it is the product of 3 distinct primes.

2347638 is an admirable number.

It is a super-2 number, since 2×2347638² = 11022808358088, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2347599 and 2347608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195631 + ... + 195642.

It is an arithmetic number, because the mean of its divisors is an integer number (586911).

2^2347638 is an apocalyptic number.

2347638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2347638 is a wasteful number, since it uses less digits than its factorization.

2347638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391278.

The product of its digits is 24192, while the sum is 33.

The square root of 2347638 is about 1532.2003785406. The cubic root of 2347638 is about 132.9057315301.

The spelling of 2347638 in words is "two million, three hundred forty-seven thousand, six hundred thirty-eight".