65605098 has 16 divisors (see below), whose sum is σ = 141303456. Its totient is φ = 20186160.

The previous prime is 65605097. The next prime is 65605117. The reversal of 65605098 is 89050656.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (65605093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420468 + ... + 420623.

It is an arithmetic number, because the mean of its divisors is an integer number (8831466).

Almost surely, 2^65605098 is an apocalyptic number.

65605098 is an abundant number, since it is smaller than the sum of its proper divisors (75698358).

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

65605098 is a wasteful number, since it uses less digits than its factorization.

65605098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841109.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 65605098 is about 8099.6974017552. The cubic root of 65605098 is about 403.3163822001.

The spelling of 65605098 in words is "sixty-five million, six hundred five thousand, ninety-eight".