65189436 has 24 divisors (see below), whose sum is σ = 163809744. Its totient is φ = 20058240.

The previous prime is 65189393. The next prime is 65189483. The reversal of 65189436 is 63498156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208785 + ... + 209096.

It is an arithmetic number, because the mean of its divisors is an integer number (6825406).

Almost surely, 2^65189436 is an apocalyptic number.

It is an amenable number.

65189436 is an abundant number, since it is smaller than the sum of its proper divisors (98620308).

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

65189436 is a wasteful number, since it uses less digits than its factorization.

65189436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417901 (or 417899 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 65189436 is about 8073.9975229127. The cubic root of 65189436 is about 402.4627971221.

The spelling of 65189436 in words is "sixty-five million, one hundred eighty-nine thousand, four hundred thirty-six".