4002434 has 8 divisors (see below), whose sum is σ = 6035340. Its totient is φ = 1990656.

The previous prime is 4002431. The next prime is 4002457. The reversal of 4002434 is 4342004.

It can be written as a sum of positive squares in 2 ways, for example, as 3367225 + 635209 = 1835^2 + 797^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4002431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4799 + ... + 5570.

Almost surely, 2^4002434 is an apocalyptic number.

4002434 is a deficient number, since it is larger than the sum of its proper divisors (2032906).

4002434 is a wasteful number, since it uses less digits than its factorization.

4002434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10564.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4002434 is about 2000.6084074601. The cubic root of 4002434 is about 158.7722964529.

Adding to 4002434 its reverse (4342004), we get a palindrome (8344438).

The spelling of 4002434 in words is "four million, two thousand, four hundred thirty-four".