6149780 has 96 divisors (see below), whose sum is σ = 16558080. Its totient is φ = 1866240.

The previous prime is 6149779. The next prime is 6149783. The reversal of 6149780 is 879416.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 6149780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6149783) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 56366 + ... + 56474.

It is an arithmetic number, because the mean of its divisors is an integer number (172480).

Almost surely, 2^6149780 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 6149780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8279040).

6149780 is an abundant number, since it is smaller than the sum of its proper divisors (10408300).

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

6149780 is a wasteful number, since it uses less digits than its factorization.

6149780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 6149780 is about 2479.8749968496. The cubic root of 6149780 is about 183.2116952546.

The spelling of 6149780 in words is "six million, one hundred forty-nine thousand, seven hundred eighty".