2133386 has 4 divisors (see below), whose sum is σ = 3200082. Its totient is φ = 1066692.

The previous prime is 2133379. The next prime is 2133403. The reversal of 2133386 is 6833312.

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., 1357225 + 776161 = 1165^2 + 881^2 .

It is a d-powerful number, because it can be written as 2⁹ + 1 + 3⁸ + 3¹² + 3¹³ + 8³ + 6² .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533345 + ... + 533348.

2^2133386 is an apocalyptic number.

2133386 is a deficient number, since it is larger than the sum of its proper divisors (1066696).

2133386 is a wasteful number, since it uses less digits than its factorization.

2133386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066695.

The product of its digits is 2592, while the sum is 26.

The square root of 2133386 is about 1460.6115157700. The cubic root of 2133386 is about 128.7329772951.

Adding to 2133386 its reverse (6833312), we get a palindrome (8966698).

The spelling of 2133386 in words is "two million, one hundred thirty-three thousand, three hundred eighty-six".