6219634 has 4 divisors (see below), whose sum is σ = 9329454. Its totient is φ = 3109816.

The previous prime is 6219617. The next prime is 6219643. The reversal of 6219634 is 4369126.

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

It can be written as a sum of positive squares in only one way, i.e., 4389025 + 1830609 = 2095^2 + 1353^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 6219596 and 6219605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1554907 + ... + 1554910.

Almost surely, 2^6219634 is an apocalyptic number.

6219634 is a deficient number, since it is larger than the sum of its proper divisors (3109820).

6219634 is a wasteful number, since it uses less digits than its factorization.

6219634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109819.

The product of its digits is 7776, while the sum is 31.

The square root of 6219634 is about 2493.9194052736. The cubic root of 6219634 is about 183.9027723569.

The spelling of 6219634 in words is "six million, two hundred nineteen thousand, six hundred thirty-four".