6217949 has 4 divisors (see below), whose sum is σ = 6418560. Its totient is φ = 6017340.

The previous prime is 6217943. The next prime is 6217963. The reversal of 6217949 is 9497126.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9497126 = 2 ⋅4748563.

It is a cyclic number.

It is not a de Polignac number, because 6217949 - 2⁴ = 6217933 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 (6217943) 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, 100259 + ... + 100320.

It is an arithmetic number, because the mean of its divisors is an integer number (1604640).

Almost surely, 2^6217949 is an apocalyptic number.

It is an amenable number.

6217949 is a deficient number, since it is larger than the sum of its proper divisors (200611).

6217949 is a wasteful number, since it uses less digits than its factorization.

6217949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200610.

The product of its digits is 27216, while the sum is 38.

The square root of 6217949 is about 2493.5815607275. The cubic root of 6217949 is about 183.8861634396.

The spelling of 6217949 in words is "six million, two hundred seventeen thousand, nine hundred forty-nine".