2784997 has 2 divisors, whose sum is σ = 2784998. Its totient is φ = 2784996.

The previous prime is 2784979. The next prime is 2785019. The reversal of 2784997 is 7994872.

Together with previous prime (2784979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2268036 + 516961 = 1506^2 + 719^2 .

It is a cyclic number.

It is not a de Polignac number, because 2784997 - 2¹⁵ = 2752229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2784917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392498 + 1392499.

It is an arithmetic number, because the mean of its divisors is an integer number (1392499).

2^2784997 is an apocalyptic number.

2784997 is the 964-th hex number.

It is an amenable number.

2784997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2784997 is an equidigital number, since it uses as much as digits as its factorization.

2784997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 46.

The square root of 2784997 is about 1668.8310279953. The cubic root of 2784997 is about 140.6937840949.

The spelling of 2784997 in words is "two million, seven hundred eighty-four thousand, nine hundred ninety-seven".