2782197 has 24 divisors (see below), whose sum is σ = 4436640. Its totient is φ = 1666080.

The previous prime is 2782193. The next prime is 2782201. The reversal of 2782197 is 7912872.

It is an interprime number because it is at equal distance from previous prime (2782193) and next prime (2782201).

It is not a de Polignac number, because 2782197 - 2² = 2782193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2782193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15454 + ... + 15632.

It is an arithmetic number, because the mean of its divisors is an integer number (184860).

2^2782197 is an apocalyptic number.

It is an amenable number.

2782197 is a deficient number, since it is larger than the sum of its proper divisors (1654443).

2782197 is a wasteful number, since it uses less digits than its factorization.

2782197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 350 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 2782197 is about 1667.9919064552. The cubic root of 2782197 is about 140.6466177137.

The spelling of 2782197 in words is "two million, seven hundred eighty-two thousand, one hundred ninety-seven".