6213834 has 60 divisors (see below), whose sum is σ = 15352722. Its totient is φ = 1877040.

The previous prime is 6213827. The next prime is 6213839. The reversal of 6213834 is 4383126.

It is a happy number.

6213834 is a `hidden beast` number, since 621 + 3 + 8 + 34 = 666.

6213834 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6125625 + 88209 = 2475^2 + 297^2 .

It is a super-2 number, since 2×6213834² = 77223465959112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 6213798 and 6213807.

It is not an unprimeable number, because it can be changed into a prime (6213839) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 19444 + ... + 19760.

Almost surely, 2^6213834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6213834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7676361).

6213834 is an abundant number, since it is smaller than the sum of its proper divisors (9138888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6213834 is a wasteful number, since it uses less digits than its factorization.

6213834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 333 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 6213834 is about 2492.7563057788. The cubic root of 6213834 is about 183.8455895812.

The spelling of 6213834 in words is "six million, two hundred thirteen thousand, eight hundred thirty-four".