2897390 has 32 divisors (see below), whose sum is σ = 5503680. Its totient is φ = 1096704.

The previous prime is 2897381. The next prime is 2897393. The reversal of 2897390 is 937982.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28079 + ... + 28181.

It is an arithmetic number, because the mean of its divisors is an integer number (171990).

2^2897390 is an apocalyptic number.

2897390 is a deficient number, since it is larger than the sum of its proper divisors (2606290).

2897390 is a wasteful number, since it uses less digits than its factorization.

2897390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2897390 is about 1702.1721417060. The cubic root of 2897390 is about 142.5615205790.

The spelling of 2897390 in words is "two million, eight hundred ninety-seven thousand, three hundred ninety".