4039802 has 8 divisors (see below), whose sum is σ = 6525876. Its totient is φ = 1864512.

The previous prime is 4039801. The next prime is 4039831. The reversal of 4039802 is 2089304.

It can be written as a sum of positive squares in 2 ways, for example, as 4036081 + 3721 = 2009^2 + 61^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 155377 = 4039802 / (4 + 0 + 3 + 9 + 8 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (4039801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77663 + ... + 77714.

Almost surely, 2^4039802 is an apocalyptic number.

4039802 is a deficient number, since it is larger than the sum of its proper divisors (2486074).

4039802 is a wasteful number, since it uses less digits than its factorization.

4039802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155392.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 4039802 is about 2009.9258692798. The cubic root of 4039802 is about 159.2648828987.

The spelling of 4039802 in words is "four million, thirty-nine thousand, eight hundred two".