4030842 has 16 divisors (see below), whose sum is σ = 8412480. Its totient is φ = 1285152.

The previous prime is 4030813. The next prime is 4030847. The reversal of 4030842 is 2480304.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4030847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14467 + ... + 14742.

It is an arithmetic number, because the mean of its divisors is an integer number (525780).

Almost surely, 2^4030842 is an apocalyptic number.

4030842 is an abundant number, since it is smaller than the sum of its proper divisors (4381638).

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

4030842 is a wasteful number, since it uses less digits than its factorization.

4030842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29237.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4030842 is about 2007.6956940732. The cubic root of 4030842 is about 159.1470495942.

The spelling of 4030842 in words is "four million, thirty thousand, eight hundred forty-two".