6190861 has 4 divisors (see below), whose sum is σ = 6223132. Its totient is φ = 6158592.

The previous prime is 6190859. The next prime is 6190871. The reversal of 6190861 is 1680916.

It is a happy number.

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 4435236 + 1755625 = 2106^2 + 1325^2 .

It is a cyclic number.

It is not a de Polignac number, because 6190861 - 2¹ = 6190859 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 (6190871) 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, 15846 + ... + 16231.

It is an arithmetic number, because the mean of its divisors is an integer number (1555783).

Almost surely, 2^6190861 is an apocalyptic number.

It is an amenable number.

6190861 is a deficient number, since it is larger than the sum of its proper divisors (32271).

6190861 is a wasteful number, since it uses less digits than its factorization.

6190861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32270.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 6190861 is about 2488.1440874676. The cubic root of 6190861 is about 183.6187462565.

The spelling of 6190861 in words is "six million, one hundred ninety thousand, eight hundred sixty-one".