2877240 has 32 divisors (see below), whose sum is σ = 8632080. Its totient is φ = 767232.

The previous prime is 2877239. The next prime is 2877247. The reversal of 2877240 is 427782.

2877240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 2877198 and 2877207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2877247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11869 + ... + 12108.

2^2877240 is an apocalyptic number.

2877240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2877240 is an abundant number, since it is smaller than the sum of its proper divisors (5754840).

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

2877240 is a wasteful number, since it uses less digits than its factorization.

2877240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23991 (or 23987 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 2877240 is about 1696.2429071333. The cubic root of 2877240 is about 142.2302684612.

The spelling of 2877240 in words is "two million, eight hundred seventy-seven thousand, two hundred forty".