6159840 has 96 divisors (see below), whose sum is σ = 19940256. Its totient is φ = 1597440.

The previous prime is 6159833. The next prime is 6159847. The reversal of 6159840 is 489516.

It is an interprime number because it is at equal distance from previous prime (6159833) and next prime (6159847).

It is a tau number, because it is divible by the number of its divisors (96).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6159847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19524 + ... + 19836.

It is an arithmetic number, because the mean of its divisors is an integer number (207711).

Almost surely, 2^6159840 is an apocalyptic number.

6159840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6159840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9970128).

6159840 is an abundant number, since it is smaller than the sum of its proper divisors (13780416).

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

6159840 is a wasteful number, since it uses less digits than its factorization.

6159840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 6159840 is about 2481.9024960703. The cubic root of 6159840 is about 183.3115419462.

It can be divided in two parts, 615 and 9840, that multiplied together give a square (6051600 = 2460²).

The spelling of 6159840 in words is "six million, one hundred fifty-nine thousand, eight hundred forty".