83440460 has 48 divisors (see below), whose sum is σ = 180487776. Its totient is φ = 32389632.

The previous prime is 83440459. The next prime is 83440477. The reversal of 83440460 is 6404438.

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, 97394 + ... + 98246.

It is an arithmetic number, because the mean of its divisors is an integer number (3760162).

Almost surely, 2^83440460 is an apocalyptic number.

It is an amenable number.

83440460 is an abundant number, since it is smaller than the sum of its proper divisors (97047316).

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

83440460 is a wasteful number, since it uses less digits than its factorization.

83440460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 83440460 is about 9134.5749764288. The cubic root of 83440460 is about 436.9773197494.

Adding to 83440460 its reverse (6404438), we get a palindrome (89844898).

The spelling of 83440460 in words is "eighty-three million, four hundred forty thousand, four hundred sixty".