64298916 has 108 divisors (see below), whose sum is σ = 185175900. Its totient is φ = 18775680.

The previous prime is 64298893. The next prime is 64298917. The reversal of 64298916 is 61989246.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43560000 + 20738916 = 6600^2 + 4554^2 .

It is not an unprimeable number, because it can be changed into a prime (64298917) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 126070 + ... + 126578.

Almost surely, 2^64298916 is an apocalyptic number.

64298916 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64298916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92587950).

64298916 is an abundant number, since it is smaller than the sum of its proper divisors (120876984).

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

64298916 is a wasteful number, since it uses less digits than its factorization.

64298916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 554 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 64298916 is about 8018.6604866399. The cubic root of 64298916 is about 400.6217746566.

The spelling of 64298916 in words is "sixty-four million, two hundred ninety-eight thousand, nine hundred sixteen".