2397782 has 16 divisors (see below), whose sum is σ = 3849120. Its totient is φ = 1116288.

The previous prime is 2397719. The next prime is 2397793. The reversal of 2397782 is 2877932.

It is a d-powerful number, because it can be written as 2²⁰ + 3⁷ + 9⁵ + 7⁶ + 7⁶ + 8⁴ + 2²⁰ .

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3383 + ... + 4029.

It is an arithmetic number, because the mean of its divisors is an integer number (240570).

2^2397782 is an apocalyptic number.

2397782 is a deficient number, since it is larger than the sum of its proper divisors (1451338).

2397782 is a wasteful number, since it uses less digits than its factorization.

2397782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775.

The product of its digits is 42336, while the sum is 38.

The square root of 2397782 is about 1548.4773165920. The cubic root of 2397782 is about 133.8453327964.

The spelling of 2397782 in words is "two million, three hundred ninety-seven thousand, seven hundred eighty-two".