4236840 has 64 divisors (see below), whose sum is σ = 14126400. Its totient is φ = 1129536.

The previous prime is 4236821. The next prime is 4236887. The reversal of 4236840 is 486324.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882 + ... + 3041.

It is an arithmetic number, because the mean of its divisors is an integer number (220725).

Almost surely, 2^4236840 is an apocalyptic number.

4236840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4236840 is an abundant number, since it is smaller than the sum of its proper divisors (9889560).

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

4236840 is a wasteful number, since it uses less digits than its factorization.

4236840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943 (or 3933 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4236840 is about 2058.3585693460. The cubic root of 4236840 is about 161.8132278231.

The spelling of 4236840 in words is "four million, two hundred thirty-six thousand, eight hundred forty".