6464086 has 4 divisors (see below), whose sum is σ = 9696132. Its totient is φ = 3232042.

The previous prime is 6464083. The next prime is 6464111. The reversal of 6464086 is 6804646.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6804646 = 2 ⋅3402323.

It is a super-3 number, since 3×6464086³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1616020 + ... + 1616023.

It is an arithmetic number, because the mean of its divisors is an integer number (2424033).

Almost surely, 2^6464086 is an apocalyptic number.

6464086 is a deficient number, since it is larger than the sum of its proper divisors (3232046).

6464086 is a wasteful number, since it uses less digits than its factorization.

6464086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232045.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 6464086 is about 2542.4566859634. The cubic root of 6464086 is about 186.2812064282.

The spelling of 6464086 in words is "six million, four hundred sixty-four thousand, eighty-six".