4013835 has 48 divisors (see below), whose sum is σ = 7704576. Its totient is φ = 1778112.

The previous prime is 4013827. The next prime is 4013837. The reversal of 4013835 is 5383104.

It is not a de Polignac number, because 4013835 - 2³ = 4013827 is a prime.

It is a super-2 number, since 2×4013835² = 32221742814450, which contains 22 as substring.

It is an Ulam number.

4013835 is a lucky number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (4013837) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31542 + ... + 31668.

It is an arithmetic number, because the mean of its divisors is an integer number (160512).

Almost surely, 2^4013835 is an apocalyptic number.

4013835 is a deficient number, since it is larger than the sum of its proper divisors (3690741).

4013835 is a wasteful number, since it uses less digits than its factorization.

4013835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 4013835 is about 2003.4557644231. The cubic root of 4013835 is about 158.9229087143.

Adding to 4013835 its reverse (5383104), we get a palindrome (9396939).

The spelling of 4013835 in words is "four million, thirteen thousand, eight hundred thirty-five".