2773920 has 48 divisors (see below), whose sum is σ = 8739360. Its totient is φ = 739584.

The previous prime is 2773919. The next prime is 2773921. The reversal of 2773920 is 293772.

It is an interprime number because it is at equal distance from previous prime (2773919) and next prime (2773921).

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

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2773921) 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, 2410 + ... + 3369.

It is an arithmetic number, because the mean of its divisors is an integer number (182070).

2^2773920 is an apocalyptic number.

2773920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2773920 is an abundant number, since it is smaller than the sum of its proper divisors (5965440).

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

2773920 is a wasteful number, since it uses less digits than its factorization.

2773920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5797 (or 5789 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 2773920 is about 1665.5089312279. The cubic root of 2773920 is about 140.5070052189.

The spelling of 2773920 in words is "two million, seven hundred seventy-three thousand, nine hundred twenty".