64849896 has 48 divisors (see below), whose sum is σ = 182145600. Its totient is φ = 21615984.

The previous prime is 64849871. The next prime is 64849973. The reversal of 64849896 is 69894846.

64849896 is a `hidden beast` number, since 64 + 8 + 498 + 96 = 666.

It is a super-2 number, since 2×64849896² = 8411018022421632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

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, 14736 + ... + 18623.

It is an arithmetic number, because the mean of its divisors is an integer number (3794700).

Almost surely, 2^64849896 is an apocalyptic number.

It is an amenable number.

64849896 is an abundant number, since it is smaller than the sum of its proper divisors (117295704).

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

64849896 is a wasteful number, since it uses less digits than its factorization.

64849896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33380 (or 33364 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 64849896 is about 8052.9433128515. The cubic root of 64849896 is about 401.7628362745.

The spelling of 64849896 in words is "sixty-four million, eight hundred forty-nine thousand, eight hundred ninety-six".