83840760 has 48 divisors (see below), whose sum is σ = 272483640. Its totient is φ = 22357440.

The previous prime is 83840747. The next prime is 83840789. The reversal of 83840760 is 6704838.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116086 + ... + 116805.

Almost surely, 2^83840760 is an apocalyptic number.

It is an amenable number.

83840760 is an abundant number, since it is smaller than the sum of its proper divisors (188642880).

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

83840760 is a wasteful number, since it uses less digits than its factorization.

83840760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232908 (or 232901 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 83840760 is about 9156.4600146563. The cubic root of 83840760 is about 437.6749950287.

The spelling of 83840760 in words is "eighty-three million, eight hundred forty thousand, seven hundred sixty".