2648738 has 4 divisors (see below), whose sum is σ = 3973110. Its totient is φ = 1324368.

The previous prime is 2648731. The next prime is 2648761. The reversal of 2648738 is 8378462.

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., 2140369 + 508369 = 1463^2 + 713^2 .

It is a d-powerful number, because it can be written as 2¹⁹ + 6⁵ + 4⁷ + 8 + 7⁴ + 3⁶ + 8⁷ .

It is not an unprimeable number, because it can be changed into a prime (2648731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662183 + ... + 662186.

2^2648738 is an apocalyptic number.

2648738 is a deficient number, since it is larger than the sum of its proper divisors (1324372).

2648738 is a wasteful number, since it uses less digits than its factorization.

2648738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324371.

The product of its digits is 64512, while the sum is 38.

The square root of 2648738 is about 1627.4943932315. The cubic root of 2648738 is about 138.3607797027.

The spelling of 2648738 in words is "two million, six hundred forty-eight thousand, seven hundred thirty-eight".