4013789 has 8 divisors (see below), whose sum is σ = 4341792. Its totient is φ = 3688560.

The previous prime is 4013783. The next prime is 4013827. The reversal of 4013789 is 9873104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4013789 is a prime.

It is a super-2 number, since 2×4013789² = 32221004273042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3134 + ... + 4224.

It is an arithmetic number, because the mean of its divisors is an integer number (542724).

Almost surely, 2^4013789 is an apocalyptic number.

It is an amenable number.

4013789 is a deficient number, since it is larger than the sum of its proper divisors (328003).

4013789 is a wasteful number, since it uses less digits than its factorization.

4013789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 4013789 is about 2003.4442842265. Note that the first 3 decimals coincide. The cubic root of 4013789 is about 158.9223016073.

The spelling of 4013789 in words is "four million, thirteen thousand, seven hundred eighty-nine".