83489340 has 48 divisors (see below), whose sum is σ = 255024000. Its totient is φ = 20239680.

The previous prime is 83489339. The next prime is 83489381. The reversal of 83489340 is 4398438.

It is a super-3 number, since 3×83489340³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62590 + ... + 63909.

It is an arithmetic number, because the mean of its divisors is an integer number (5313000).

Almost surely, 2^83489340 is an apocalyptic number.

It is an amenable number.

83489340 is an abundant number, since it is smaller than the sum of its proper divisors (171534660).

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

83489340 is a wasteful number, since it uses less digits than its factorization.

83489340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126522 (or 126520 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 83489340 is about 9137.2501333826. The cubic root of 83489340 is about 437.0626312074.

The spelling of 83489340 in words is "eighty-three million, four hundred eighty-nine thousand, three hundred forty".