6136864 has 48 divisors (see below), whose sum is σ = 13267800. Its totient is φ = 2781184.

The previous prime is 6136841. The next prime is 6136873. The reversal of 6136864 is 4686316.

It can be written as a sum of positive squares in 4 ways, for example, as 5326864 + 810000 = 2308^2 + 900^2 .

It is a super-2 number, since 2×6136864² = 75322199508992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15582 + ... + 15970.

Almost surely, 2^6136864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6136864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6633900).

6136864 is an abundant number, since it is smaller than the sum of its proper divisors (7130936).

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

6136864 is a wasteful number, since it uses less digits than its factorization.

6136864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 437 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 6136864 is about 2477.2694645516. The cubic root of 6136864 is about 183.0833426505.

The spelling of 6136864 in words is "six million, one hundred thirty-six thousand, eight hundred sixty-four".