6690465 has 16 divisors (see below), whose sum is σ = 11894400. Its totient is φ = 3568176.

The previous prime is 6690433. The next prime is 6690473. The reversal of 6690465 is 5640966.

It is a happy number.

It is not a de Polignac number, because 6690465 - 2⁵ = 6690433 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24645 + ... + 24914.

It is an arithmetic number, because the mean of its divisors is an integer number (743400).

Almost surely, 2^6690465 is an apocalyptic number.

It is an amenable number.

6690465 is a deficient number, since it is larger than the sum of its proper divisors (5203935).

6690465 is a wasteful number, since it uses less digits than its factorization.

6690465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49573 (or 49567 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 6690465 is about 2586.5933194068. The cubic root of 6690465 is about 188.4308907115.

The spelling of 6690465 in words is "six million, six hundred ninety thousand, four hundred sixty-five".