2928641 has 8 divisors (see below), whose sum is σ = 3264480. Its totient is φ = 2611008.

The previous prime is 2928581. The next prime is 2928647. The reversal of 2928641 is 1468292.

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 2928641 - 2¹⁴ = 2912257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2928598 and 2928607.

It is not an unprimeable number, because it can be changed into a prime (2928647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4211 + ... + 4856.

It is an arithmetic number, because the mean of its divisors is an integer number (408060).

It is a Proth number, since it is equal to 715 ⋅ 2¹² + 1 and 715 < 2¹².

2^2928641 is an apocalyptic number.

It is an amenable number.

2928641 is a deficient number, since it is larger than the sum of its proper divisors (335839).

2928641 is a wasteful number, since it uses less digits than its factorization.

2928641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9103.

The product of its digits is 6912, while the sum is 32.

The square root of 2928641 is about 1711.3272626824. The cubic root of 2928641 is about 143.0722408721.

The spelling of 2928641 in words is "two million, nine hundred twenty-eight thousand, six hundred forty-one".