4356240 has 80 divisors (see below), whose sum is σ = 15439488. Its totient is φ = 995328.

The previous prime is 4356239. The next prime is 4356257. The reversal of 4356240 is 426534.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4356240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384 + ... + 2976.

Almost surely, 2^4356240 is an apocalyptic number.

4356240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4356240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7719744).

4356240 is an abundant number, since it is smaller than the sum of its proper divisors (11083248).

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

4356240 is a wasteful number, since it uses less digits than its factorization.

4356240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616 (or 2610 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 4356240 is about 2087.1607508767. The cubic root of 4356240 is about 163.3192083671.

The spelling of 4356240 in words is "four million, three hundred fifty-six thousand, two hundred forty".