2649138 has 8 divisors (see below), whose sum is σ = 5298288. Its totient is φ = 883044.

The previous prime is 2649137. The next prime is 2649139. The reversal of 2649138 is 8319462.

It is an interprime number because it is at equal distance from previous prime (2649137) and next prime (2649139).

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

2649138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2649099 and 2649108.

It is not an unprimeable number, because it can be changed into a prime (2649137) 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, 220756 + ... + 220767.

It is an arithmetic number, because the mean of its divisors is an integer number (662286).

2^2649138 is an apocalyptic number.

2649138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2649138 is a wasteful number, since it uses less digits than its factorization.

2649138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441528.

The product of its digits is 10368, while the sum is 33.

The square root of 2649138 is about 1627.6172768805. The cubic root of 2649138 is about 138.3677442176.

The spelling of 2649138 in words is "two million, six hundred forty-nine thousand, one hundred thirty-eight".