6154890 has 96 divisors (see below), whose sum is σ = 17729280. Its totient is φ = 1362816.

The previous prime is 6154853. The next prime is 6154909. The reversal of 6154890 is 984516.

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 47 ways as a sum of consecutive naturals, for example, 77871 + ... + 77949.

It is an arithmetic number, because the mean of its divisors is an integer number (184680).

Almost surely, 2^6154890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6154890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8864640).

6154890 is an abundant number, since it is smaller than the sum of its proper divisors (11574390).

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

6154890 is a wasteful number, since it uses less digits than its factorization.

6154890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 149 counting only the distinct ones).

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

The square root of 6154890 is about 2480.9050767815. The cubic root of 6154890 is about 183.2624262062.

The spelling of 6154890 in words is "six million, one hundred fifty-four thousand, eight hundred ninety".