2748621 has 8 divisors (see below), whose sum is σ = 3672864. Its totient is φ = 1828400.

The previous prime is 2748617. The next prime is 2748643. The reversal of 2748621 is 1268472.

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

It is a cyclic number.

It is not a de Polignac number, because 2748621 - 2² = 2748617 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748601) 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, 1450 + ... + 2756.

It is an arithmetic number, because the mean of its divisors is an integer number (459108).

2^2748621 is an apocalyptic number.

It is an amenable number.

2748621 is a deficient number, since it is larger than the sum of its proper divisors (924243).

2748621 is a wasteful number, since it uses less digits than its factorization.

2748621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011.

The product of its digits is 5376, while the sum is 30.

The square root of 2748621 is about 1657.8965588962. The cubic root of 2748621 is about 140.0785443613.

The spelling of 2748621 in words is "two million, seven hundred forty-eight thousand, six hundred twenty-one".