2928247 has 4 divisors (see below), whose sum is σ = 3346576. Its totient is φ = 2509920.

The previous prime is 2928227. The next prime is 2928251. The reversal of 2928247 is 7428292.

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

It is not a de Polignac number, because 2928247 - 2⁷ = 2928119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2928227) 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, 209154 + ... + 209167.

It is an arithmetic number, because the mean of its divisors is an integer number (836644).

2^2928247 is an apocalyptic number.

2928247 is a deficient number, since it is larger than the sum of its proper divisors (418329).

2928247 is an equidigital number, since it uses as much as digits as its factorization.

2928247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418328.

The product of its digits is 16128, while the sum is 34.

The square root of 2928247 is about 1711.2121434819. The cubic root of 2928247 is about 143.0658245865.

The spelling of 2928247 in words is "two million, nine hundred twenty-eight thousand, two hundred forty-seven".