2646238 has 8 divisors (see below), whose sum is σ = 4536432. Its totient is φ = 1134096.

The previous prime is 2646233. The next prime is 2646247. The reversal of 2646238 is 8326462.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94495 + ... + 94522.

It is an arithmetic number, because the mean of its divisors is an integer number (567054).

2^2646238 is an apocalyptic number.

2646238 is a deficient number, since it is larger than the sum of its proper divisors (1890194).

2646238 is a wasteful number, since it uses less digits than its factorization.

2646238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189026.

The product of its digits is 13824, while the sum is 31.

The square root of 2646238 is about 1626.7261601142. The cubic root of 2646238 is about 138.3172355907.

It can be divided in two parts, 26 and 46238, that added together give a palindrome (46264).

The spelling of 2646238 in words is "two million, six hundred forty-six thousand, two hundred thirty-eight".