6414649 has 4 divisors (see below), whose sum is σ = 6436836. Its totient is φ = 6392464.

The previous prime is 6414641. The next prime is 6414659. The reversal of 6414649 is 9464146.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9464146 = 2 ⋅4732073.

It can be written as a sum of positive squares in 2 ways, for example, as 5546025 + 868624 = 2355^2 + 932^2 .

It is a cyclic number.

It is not a de Polignac number, because 6414649 - 2³ = 6414641 is a prime.

It is a super-2 number, since 2×6414649² = 82295443586402, which contains 22 as substring.

It is a Duffinian number.

6414649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6414641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10654 + ... + 11239.

It is an arithmetic number, because the mean of its divisors is an integer number (1609209).

Almost surely, 2^6414649 is an apocalyptic number.

It is an amenable number.

6414649 is a deficient number, since it is larger than the sum of its proper divisors (22187).

6414649 is a wasteful number, since it uses less digits than its factorization.

6414649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22186.

The product of its digits is 20736, while the sum is 34.

The square root of 6414649 is about 2532.7157361220. The cubic root of 6414649 is about 185.8051008922.

The spelling of 6414649 in words is "six million, four hundred fourteen thousand, six hundred forty-nine".