4277840 has 40 divisors (see below), whose sum is σ = 11368320. Its totient is φ = 1466496.

The previous prime is 4277837. The next prime is 4277843. The reversal of 4277840 is 487724.

4277840 is nontrivially palindromic in base 15.

It is an interprime number because it is at equal distance from previous prime (4277837) and next prime (4277843).

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 4277797 and 4277806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4277843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3260 + ... + 4379.

It is an arithmetic number, because the mean of its divisors is an integer number (284208).

Almost surely, 2^4277840 is an apocalyptic number.

4277840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4277840 is an abundant number, since it is smaller than the sum of its proper divisors (7090480).

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

4277840 is a wasteful number, since it uses less digits than its factorization.

4277840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7659 (or 7653 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 4277840 is about 2068.2939829724. The cubic root of 4277840 is about 162.3335099536. Note that the first 3 decimals are identical.

The spelling of 4277840 in words is "four million, two hundred seventy-seven thousand, eight hundred forty".