2642338 has 4 divisors (see below), whose sum is σ = 3963510. Its totient is φ = 1321168.

The previous prime is 2642333. The next prime is 2642351. The reversal of 2642338 is 8332462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8332462 = 2 ⋅4166231.

It can be written as a sum of positive squares in only one way, i.e., 2424249 + 218089 = 1557^2 + 467^2 .

It is a d-powerful number, because it can be written as 2¹³ + 6³ + 4⁶ + 2²¹ + 3⁶ + 3¹² + 8³ .

It is not an unprimeable number, because it can be changed into a prime (2642333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660583 + ... + 660586.

2^2642338 is an apocalyptic number.

2642338 is a deficient number, since it is larger than the sum of its proper divisors (1321172).

2642338 is a wasteful number, since it uses less digits than its factorization.

2642338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321171.

The product of its digits is 6912, while the sum is 28.

The square root of 2642338 is about 1625.5269914708. The cubic root of 2642338 is about 138.2492519800.

The spelling of 2642338 in words is "two million, six hundred forty-two thousand, three hundred thirty-eight".