6149789 has 4 divisors (see below), whose sum is σ = 6210780. Its totient is φ = 6088800.

The previous prime is 6149783. The next prime is 6149791. The reversal of 6149789 is 9879416.

6149789 = T₃₀ + T₃₁ + ... + T₃₃₂.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3115225 + 3034564 = 1765^2 + 1742^2 .

It is a cyclic number.

It is not a de Polignac number, because 6149789 - 2¹² = 6145693 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30344 + ... + 30545.

It is an arithmetic number, because the mean of its divisors is an integer number (1552695).

Almost surely, 2^6149789 is an apocalyptic number.

It is an amenable number.

6149789 is a deficient number, since it is larger than the sum of its proper divisors (60991).

6149789 is a wasteful number, since it uses less digits than its factorization.

6149789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60990.

The product of its digits is 108864, while the sum is 44.

The square root of 6149789 is about 2479.8768114566. The cubic root of 6149789 is about 183.2117846293.

The spelling of 6149789 in words is "six million, one hundred forty-nine thousand, seven hundred eighty-nine".