83660930 has 8 divisors (see below), whose sum is σ = 150589692. Its totient is φ = 33464368.

The previous prime is 83660887. The next prime is 83660939. The reversal of 83660930 is 3906638.

It can be written as a sum of positive squares in 2 ways, for example, as 83302129 + 358801 = 9127^2 + 599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (83660939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4183037 + ... + 4183056.

Almost surely, 2^83660930 is an apocalyptic number.

83660930 is a deficient number, since it is larger than the sum of its proper divisors (66928762).

83660930 is a wasteful number, since it uses less digits than its factorization.

83660930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8366100.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 83660930 is about 9146.6349003336. The cubic root of 83660930 is about 437.3618480802.

The spelling of 83660930 in words is "eighty-three million, six hundred sixty thousand, nine hundred thirty".