2769648 has 40 divisors (see below), whose sum is σ = 8178048. Its totient is φ = 791232.

The previous prime is 2769647. The next prime is 2769677. The reversal of 2769648 is 8469672.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2769647) 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, 3786 + ... + 4457.

2^2769648 is an apocalyptic number.

2769648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2769648 is an abundant number, since it is smaller than the sum of its proper divisors (5408400).

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

2769648 is a wasteful number, since it uses less digits than its factorization.

2769648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8261 (or 8255 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 2769648 is about 1664.2259461984. The cubic root of 2769648 is about 140.4348384743.

The spelling of 2769648 in words is "two million, seven hundred sixty-nine thousand, six hundred forty-eight".