65289996 has 96 divisors (see below), whose sum is σ = 183617280. Its totient is φ = 19982592.

The previous prime is 65289989. The next prime is 65290037. The reversal of 65289996 is 69998256.

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

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, 78535 + ... + 79361.

It is an arithmetic number, because the mean of its divisors is an integer number (1912680).

Almost surely, 2^65289996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65289996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91808640).

65289996 is an abundant number, since it is smaller than the sum of its proper divisors (118327284).

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

65289996 is a wasteful number, since it uses less digits than its factorization.

65289996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 892 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 65289996 is about 8080.2225216884. Note that the first 3 decimals coincide. The cubic root of 65289996 is about 402.6696346555.

The spelling of 65289996 in words is "sixty-five million, two hundred eighty-nine thousand, nine hundred ninety-six".