65098830 has 32 divisors (see below), whose sum is σ = 158889600. Its totient is φ = 17064992.

The previous prime is 65098811. The next prime is 65098837. The reversal of 65098830 is 3889056.

65098830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65098837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16620 + ... + 20159.

It is an arithmetic number, because the mean of its divisors is an integer number (4965300).

Almost surely, 2^65098830 is an apocalyptic number.

65098830 is an abundant number, since it is smaller than the sum of its proper divisors (93790770).

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

65098830 is a wasteful number, since it uses less digits than its factorization.

65098830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36848.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 65098830 is about 8068.3845966835. The cubic root of 65098830 is about 402.2762512960.

The spelling of 65098830 in words is "sixty-five million, ninety-eight thousand, eight hundred thirty".