65835380 has 48 divisors (see below), whose sum is σ = 156737280. Its totient is φ = 23027328.

The previous prime is 65835379. The next prime is 65835383. The reversal of 65835380 is 8353856.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65835383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1724 + ... + 11603.

It is an arithmetic number, because the mean of its divisors is an integer number (3265360).

Almost surely, 2^65835380 is an apocalyptic number.

It is an amenable number.

65835380 is an abundant number, since it is smaller than the sum of its proper divisors (90901900).

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

65835380 is a wasteful number, since it uses less digits than its factorization.

65835380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13368 (or 13366 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 65835380 is about 8113.9004184178. The cubic root of 65835380 is about 403.7877279138.

The spelling of 65835380 in words is "sixty-five million, eight hundred thirty-five thousand, three hundred eighty".