83440030 has 16 divisors (see below), whose sum is σ = 150418944. Its totient is φ = 33325600.

The previous prime is 83439973. The next prime is 83440099. The reversal of 83440030 is 3004438.

It is a junction number, because it is equal to n+sod(n) for n = 83439983 and 83440010.

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, 1059 + ... + 12961.

It is an arithmetic number, because the mean of its divisors is an integer number (9401184).

Almost surely, 2^83440030 is an apocalyptic number.

83440030 is a deficient number, since it is larger than the sum of its proper divisors (66978914).

83440030 is a wasteful number, since it uses less digits than its factorization.

83440030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12611.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 83440030 is about 9134.5514394523. The cubic root of 83440030 is about 436.9765691120.

Adding to 83440030 its reverse (3004438), we get a palindrome (86444468).

The spelling of 83440030 in words is "eighty-three million, four hundred forty thousand, thirty".