6446965 has 8 divisors (see below), whose sum is σ = 8841600. Its totient is φ = 4420752.

The previous prime is 6446939. The next prime is 6446971. The reversal of 6446965 is 5696446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6446965 - 2¹⁹ = 5922677 is a prime.

It is a super-2 number, since 2×6446965² = 83126715422450, which contains 22 as substring.

6446965 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92065 + ... + 92134.

It is an arithmetic number, because the mean of its divisors is an integer number (1105200).

Almost surely, 2^6446965 is an apocalyptic number.

It is an amenable number.

6446965 is a deficient number, since it is larger than the sum of its proper divisors (2394635).

6446965 is a wasteful number, since it uses less digits than its factorization.

6446965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184211.

The product of its digits is 155520, while the sum is 40.

The square root of 6446965 is about 2539.0874344930. The cubic root of 6446965 is about 186.1165974142.

The spelling of 6446965 in words is "six million, four hundred forty-six thousand, nine hundred sixty-five".