6147864 has 48 divisors (see below), whose sum is σ = 16832400. Its totient is φ = 2026944.

The previous prime is 6147857. The next prime is 6147881. The reversal of 6147864 is 4687416.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7002 + ... + 7830.

It is an arithmetic number, because the mean of its divisors is an integer number (350675).

Almost surely, 2^6147864 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 6147864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8416200).

6147864 is an abundant number, since it is smaller than the sum of its proper divisors (10684536).

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

6147864 is a wasteful number, since it uses less digits than its factorization.

6147864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944 (or 937 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 6147864 is about 2479.4886569614. The cubic root of 6147864 is about 183.1926663858.

The spelling of 6147864 in words is "six million, one hundred forty-seven thousand, eight hundred sixty-four".