4259540 has 24 divisors (see below), whose sum is σ = 9049320. Its totient is φ = 1683968.

The previous prime is 4259533. The next prime is 4259543. The reversal of 4259540 is 459524.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 114244 + 4145296 = 338^2 + 2036^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4259543) 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, 584 + ... + 2976.

It is an arithmetic number, because the mean of its divisors is an integer number (377055).

Almost surely, 2^4259540 is an apocalyptic number.

It is an amenable number.

4259540 is an abundant number, since it is smaller than the sum of its proper divisors (4789780).

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

4259540 is a wasteful number, since it uses less digits than its factorization.

4259540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491 (or 2489 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 4259540 is about 2063.8653056825. The cubic root of 4259540 is about 162.1016990854.

The spelling of 4259540 in words is "four million, two hundred fifty-nine thousand, five hundred forty".