2669138 has 4 divisors (see below), whose sum is σ = 4003710. Its totient is φ = 1334568.

The previous prime is 2669137. The next prime is 2669167. The reversal of 2669138 is 8319662.

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

It can be written as a sum of positive squares in only one way, i.e., 1760929 + 908209 = 1327^2 + 953^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2669098 and 2669107.

It is not an unprimeable number, because it can be changed into a prime (2669137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667283 + ... + 667286.

2^2669138 is an apocalyptic number.

2669138 is a deficient number, since it is larger than the sum of its proper divisors (1334572).

2669138 is a wasteful number, since it uses less digits than its factorization.

2669138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334571.

The product of its digits is 15552, while the sum is 35.

The square root of 2669138 is about 1633.7496748278. The cubic root of 2669138 is about 138.7150798142.

The spelling of 2669138 in words is "two million, six hundred sixty-nine thousand, one hundred thirty-eight".