2150638 has 16 divisors (see below), whose sum is σ = 3847680. Its totient is φ = 881496.

The previous prime is 2150597. The next prime is 2150639. The reversal of 2150638 is 8360512.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3018 + ... + 3661.

It is an arithmetic number, because the mean of its divisors is an integer number (240480).

2^2150638 is an apocalyptic number.

2150638 is a deficient number, since it is larger than the sum of its proper divisors (1697042).

2150638 is a wasteful number, since it uses less digits than its factorization.

2150638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2150638 is about 1466.5053699186. The cubic root of 2150638 is about 129.0790533617.

The spelling of 2150638 in words is "two million, one hundred fifty thousand, six hundred thirty-eight".