65498436 has 72 divisors (see below), whose sum is σ = 174918240. Its totient is φ = 21194784.

The previous prime is 65498429. The next prime is 65498441. The reversal of 65498436 is 63489456.

It is a junction number, because it is equal to n+sod(n) for n = 65498391 and 65498400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147631 + ... + 148073.

It is an arithmetic number, because the mean of its divisors is an integer number (2429420).

Almost surely, 2^65498436 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 65498436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87459120).

65498436 is an abundant number, since it is smaller than the sum of its proper divisors (109419804).

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

65498436 is a wasteful number, since it uses less digits than its factorization.

65498436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 485 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 65498436 is about 8093.1104032998. The cubic root of 65498436 is about 403.0976905242.

It can be divided in two parts, 65 and 498436, that added together give a triangular number (498501 = T₉₉₈).

The spelling of 65498436 in words is "sixty-five million, four hundred ninety-eight thousand, four hundred thirty-six".