4671440 has 20 divisors (see below), whose sum is σ = 10861284. Its totient is φ = 1868544.

The previous prime is 4671439. The next prime is 4671449. The reversal of 4671440 is 441764.

It can be written as a sum of positive squares in 2 ways, for example, as 1373584 + 3297856 = 1172^2 + 1816^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4671449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29117 + ... + 29276.

Almost surely, 2^4671440 is an apocalyptic number.

4671440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4671440 is an abundant number, since it is smaller than the sum of its proper divisors (6189844).

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

4671440 is a wasteful number, since it uses less digits than its factorization.

4671440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58406 (or 58400 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 4671440 is about 2161.3514290832. The cubic root of 4671440 is about 167.1668882791.

The spelling of 4671440 in words is "four million, six hundred seventy-one thousand, four hundred forty".