64849806 has 24 divisors (see below), whose sum is σ = 160580784. Its totient is φ = 18528480.

The previous prime is 64849753. The next prime is 64849817. The reversal of 64849806 is 60894846.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257215 + ... + 257466.

It is an arithmetic number, because the mean of its divisors is an integer number (6690866).

Almost surely, 2^64849806 is an apocalyptic number.

64849806 is an abundant number, since it is smaller than the sum of its proper divisors (95730978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64849806 is a wasteful number, since it uses less digits than its factorization.

64849806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514696 (or 514693 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 64849806 is about 8052.9377248306. The cubic root of 64849806 is about 401.7626504162.

It can be divided in two parts, 6484 and 9806, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 64849806 in words is "sixty-four million, eight hundred forty-nine thousand, eight hundred six".