4523240 has 16 divisors (see below), whose sum is σ = 10177380. Its totient is φ = 1809280.

The previous prime is 4523231. The next prime is 4523263. The reversal of 4523240 is 423254.

It can be written as a sum of positive squares in 2 ways, for example, as 4519876 + 3364 = 2126^2 + 58^2 .

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

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, 56501 + ... + 56580.

Almost surely, 2^4523240 is an apocalyptic number.

4523240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4523240 is an abundant number, since it is smaller than the sum of its proper divisors (5654140).

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

4523240 is a wasteful number, since it uses less digits than its factorization.

4523240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113092 (or 113088 counting only the distinct ones).

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

The square root of 4523240 is about 2126.7910099490. The cubic root of 4523240 is about 165.3800849115.

Adding to 4523240 its reverse (423254), we get a palindrome (4946494).

The spelling of 4523240 in words is "four million, five hundred twenty-three thousand, two hundred forty".