4033840 has 20 divisors (see below), whose sum is σ = 9378864. Its totient is φ = 1613504.

The previous prime is 4033831. The next prime is 4033849. The reversal of 4033840 is 483304.

4033840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4033831) and next prime (4033849).

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (4033849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25132 + ... + 25291.

Almost surely, 2^4033840 is an apocalyptic number.

4033840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4033840 is an abundant number, since it is smaller than the sum of its proper divisors (5345024).

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

4033840 is a wasteful number, since it uses less digits than its factorization.

4033840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50436 (or 50430 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4033840 is about 2008.4421823891. The cubic root of 4033840 is about 159.1864958285.

The spelling of 4033840 in words is "four million, thirty-three thousand, eight hundred forty".