4012838 has 8 divisors (see below), whose sum is σ = 6336120. Its totient is φ = 1900800.

The previous prime is 4012837. The next prime is 4012847. The reversal of 4012838 is 8382104.

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

It is a super-2 number, since 2×4012838² = 32205737628488, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012837) 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, 52763 + ... + 52838.

It is an arithmetic number, because the mean of its divisors is an integer number (792015).

Almost surely, 2^4012838 is an apocalyptic number.

4012838 is a deficient number, since it is larger than the sum of its proper divisors (2323282).

4012838 is a wasteful number, since it uses less digits than its factorization.

4012838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105622.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 4012838 is about 2003.2069289018. The cubic root of 4012838 is about 158.9097492910.

The spelling of 4012838 in words is "four million, twelve thousand, eight hundred thirty-eight".