4589840 has 20 divisors (see below), whose sum is σ = 10671564. Its totient is φ = 1835904.

The previous prime is 4589839. The next prime is 4589861. The reversal of 4589840 is 489854.

It can be written as a sum of positive squares in 2 ways, for example, as 3225616 + 1364224 = 1796^2 + 1168^2 .

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

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4589794 and 4589803.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28607 + ... + 28766.

Almost surely, 2^4589840 is an apocalyptic number.

4589840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4589840 is an abundant number, since it is smaller than the sum of its proper divisors (6081724).

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

4589840 is a wasteful number, since it uses less digits than its factorization.

4589840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57386 (or 57380 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 4589840 is about 2142.3911874352. The cubic root of 4589840 is about 166.1878166446.

The spelling of 4589840 in words is "four million, five hundred eighty-nine thousand, eight hundred forty".