6115620 has 48 divisors (see below), whose sum is σ = 19571328. Its totient is φ = 1397760.

The previous prime is 6115579. The next prime is 6115639. The reversal of 6115620 is 265116.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6861 + ... + 7700.

It is an arithmetic number, because the mean of its divisors is an integer number (407736).

Almost surely, 2^6115620 is an apocalyptic number.

6115620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6115620 is an abundant number, since it is smaller than the sum of its proper divisors (13455708).

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

6115620 is a wasteful number, since it uses less digits than its factorization.

6115620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14580 (or 14578 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 6115620 is about 2472.9779618913. The cubic root of 6115620 is about 182.8718383604.

The spelling of 6115620 in words is "six million, one hundred fifteen thousand, six hundred twenty".