4002435 has 24 divisors (see below), whose sum is σ = 7179120. Its totient is φ = 2060352.

The previous prime is 4002431. The next prime is 4002457. The reversal of 4002435 is 5342004.

It is a happy number.

It is not a de Polignac number, because 4002435 - 2² = 4002431 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 229 + ... + 2838.

It is an arithmetic number, because the mean of its divisors is an integer number (299130).

Almost surely, 2^4002435 is an apocalyptic number.

4002435 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4002435 is a deficient number, since it is larger than the sum of its proper divisors (3176685).

4002435 is a wasteful number, since it uses less digits than its factorization.

4002435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107 (or 3104 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4002435 is about 2000.6086573840. The cubic root of 4002435 is about 158.7723096759.

Adding to 4002435 its reverse (5342004), we get a palindrome (9344439).

The spelling of 4002435 in words is "four million, two thousand, four hundred thirty-five".