64955946 has 96 divisors (see below), whose sum is σ = 159727680. Its totient is φ = 17487360.

The previous prime is 64955939. The next prime is 64955959.

64955946 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64955895 and 64955904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 234360 + ... + 234636.

It is an arithmetic number, because the mean of its divisors is an integer number (1663830).

Almost surely, 2^64955946 is an apocalyptic number.

64955946 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 64955946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79863840).

64955946 is an abundant number, since it is smaller than the sum of its proper divisors (94771734).

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

64955946 is a wasteful number, since it uses less digits than its factorization.

64955946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 329 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 48.

The square root of 64955946 is about 8059.5251721178. The cubic root of 64955946 is about 401.9817199183.

The spelling of 64955946 in words is "sixty-four million, nine hundred fifty-five thousand, nine hundred forty-six".