4234520 has 16 divisors (see below), whose sum is σ = 9527760. Its totient is φ = 1693792.

The previous prime is 4234501. The next prime is 4234537. The reversal of 4234520 is 254324.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁵ + 2²¹ + 3⁹ + 4⁷ + 5⁵ + 2²¹ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 4234492 and 4234501.

It is a congruent number.

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, 52892 + ... + 52971.

It is an arithmetic number, because the mean of its divisors is an integer number (595485).

Almost surely, 2^4234520 is an apocalyptic number.

4234520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4234520 is an abundant number, since it is smaller than the sum of its proper divisors (5293240).

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

4234520 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 4234520 = (2432504)₁₁.

4234520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105874 (or 105870 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4234520 is about 2057.7949363336. The cubic root of 4234520 is about 161.7836873140.

Adding to 4234520 its reverse (254324), we get a palindrome (4488844).

The spelling of 4234520 in words is "four million, two hundred thirty-four thousand, five hundred twenty".