2779488 has 48 divisors (see below), whose sum is σ = 8109360. Its totient is φ = 926208.

The previous prime is 2779487. The next prime is 2779489. The reversal of 2779488 is 8849772.

It is an interprime number because it is at equal distance from previous prime (2779487) and next prime (2779489).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2779487) 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, 745 + ... + 2472.

It is an arithmetic number, because the mean of its divisors is an integer number (168945).

2^2779488 is an apocalyptic number.

It is an amenable number.

2779488 is an abundant number, since it is smaller than the sum of its proper divisors (5329872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2779488 is a wasteful number, since it uses less digits than its factorization.

2779488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236 (or 3222 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 2779488 is about 1667.1796543864. The cubic root of 2779488 is about 140.6009541108.

The spelling of 2779488 in words is "two million, seven hundred seventy-nine thousand, four hundred eighty-eight".