2784947 has 8 divisors (see below), whose sum is σ = 3136512. Its totient is φ = 2449800.

The previous prime is 2784941. The next prime is 2784949. The reversal of 2784947 is 7494872.

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

It is a cyclic number.

It is not a de Polignac number, because 2784947 - 2⁶ = 2784883 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 7⁴ + 8⁷ + 4⁶ + 9⁶ + 4⁷ + 7⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2784941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3743 + ... + 4424.

It is an arithmetic number, because the mean of its divisors is an integer number (392064).

2^2784947 is an apocalyptic number.

2784947 is a deficient number, since it is larger than the sum of its proper divisors (351565).

2784947 is a wasteful number, since it uses less digits than its factorization.

2784947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8209.

The product of its digits is 112896, while the sum is 41.

The square root of 2784947 is about 1668.8160473821. The cubic root of 2784947 is about 140.6929421154.

It can be divided in two parts, 278 and 4947, that added together give a palindrome (5225).

The spelling of 2784947 in words is "two million, seven hundred eighty-four thousand, nine hundred forty-seven".