2782330 has 8 divisors (see below), whose sum is σ = 5008212. Its totient is φ = 1112928.

The previous prime is 2782319. The next prime is 2782331. The reversal of 2782330 is 332872.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2758921 + 23409 = 1661^2 + 153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2782295 and 2782304.

It is not an unprimeable number, because it can be changed into a prime (2782331) 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, 139107 + ... + 139126.

2^2782330 is an apocalyptic number.

2782330 is a deficient number, since it is larger than the sum of its proper divisors (2225882).

2782330 is a wasteful number, since it uses less digits than its factorization.

2782330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278240.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2782330 is about 1668.0317742777. The cubic root of 2782330 is about 140.6488588325.

The spelling of 2782330 in words is "two million, seven hundred eighty-two thousand, three hundred thirty".