2928538 has 4 divisors (see below), whose sum is σ = 4392810. Its totient is φ = 1464268.

The previous prime is 2928529. The next prime is 2928547. The reversal of 2928538 is 8358292.

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

It is an interprime number because it is at equal distance from previous prime (2928529) and next prime (2928547).

It can be written as a sum of positive squares in only one way, i.e., 1495729 + 1432809 = 1223^2 + 1197^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2928497 and 2928506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 732133 + ... + 732136.

2^2928538 is an apocalyptic number.

2928538 is a deficient number, since it is larger than the sum of its proper divisors (1464272).

2928538 is a wasteful number, since it uses less digits than its factorization.

2928538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464271.

The product of its digits is 34560, while the sum is 37.

The square root of 2928538 is about 1711.2971688167. The cubic root of 2928538 is about 143.0705635738.

The spelling of 2928538 in words is "two million, nine hundred twenty-eight thousand, five hundred thirty-eight".