64098810 has 64 divisors (see below), whose sum is σ = 174936960. Its totient is φ = 16692480.

The previous prime is 64098809. The next prime is 64098841. The reversal of 64098810 is 1889046.

It is a happy number.

64098810 is a `hidden beast` number, since 640 + 9 + 8 + 8 + 1 + 0 = 666.

It is a super-2 number, since 2×64098810² = 8217314886832200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8850 + ... + 14370.

It is an arithmetic number, because the mean of its divisors is an integer number (2733390).

Almost surely, 2^64098810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64098810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87468480).

64098810 is an abundant number, since it is smaller than the sum of its proper divisors (110838150).

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

64098810 is a wasteful number, since it uses less digits than its factorization.

64098810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580 (or 5574 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 64098810 is about 8006.1732431918. The cubic root of 64098810 is about 400.2057483176.

The spelling of 64098810 in words is "sixty-four million, ninety-eight thousand, eight hundred ten".