6218774 has 4 divisors (see below), whose sum is σ = 9328164. Its totient is φ = 3109386.

The previous prime is 6218759. The next prime is 6218827. The reversal of 6218774 is 4778126.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4778126 = 2 ⋅2389063.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1554692 + ... + 1554695.

It is an arithmetic number, because the mean of its divisors is an integer number (2332041).

Almost surely, 2^6218774 is an apocalyptic number.

6218774 is a deficient number, since it is larger than the sum of its proper divisors (3109390).

6218774 is a wasteful number, since it uses less digits than its factorization.

6218774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109389.

The product of its digits is 18816, while the sum is 35.

The square root of 6218774 is about 2493.7469799480. The cubic root of 6218774 is about 183.8942957770.

The spelling of 6218774 in words is "six million, two hundred eighteen thousand, seven hundred seventy-four".