6284945 has 4 divisors (see below), whose sum is σ = 7541940. Its totient is φ = 5027952.

The previous prime is 6284933. The next prime is 6284963. The reversal of 6284945 is 5494826.

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 3519376 + 2765569 = 1876^2 + 1663^2 .

It is a cyclic number.

It is not a de Polignac number, because 6284945 - 2¹⁸ = 6022801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6284899 and 6284908.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628490 + ... + 628499.

It is an arithmetic number, because the mean of its divisors is an integer number (1885485).

Almost surely, 2^6284945 is an apocalyptic number.

It is an amenable number.

6284945 is a deficient number, since it is larger than the sum of its proper divisors (1256995).

6284945 is a wasteful number, since it uses less digits than its factorization.

6284945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256994.

The product of its digits is 69120, while the sum is 38.

The square root of 6284945 is about 2506.9792579916. The cubic root of 6284945 is about 184.5442397028.

The spelling of 6284945 in words is "six million, two hundred eighty-four thousand, nine hundred forty-five".