83801384 has 8 divisors (see below), whose sum is σ = 157127610. Its totient is φ = 41900688.

The previous prime is 83801369. The next prime is 83801429. The reversal of 83801384 is 48310838.

It can be written as a sum of positive squares in only one way, i.e., 81902500 + 1898884 = 9050^2 + 1378^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5237579 + ... + 5237594.

Almost surely, 2^83801384 is an apocalyptic number.

It is an amenable number.

83801384 is a deficient number, since it is larger than the sum of its proper divisors (73326226).

83801384 is a wasteful number, since it uses less digits than its factorization.

83801384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10475179 (or 10475175 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 83801384 is about 9154.3095862004. The cubic root of 83801384 is about 437.6064659533.

The spelling of 83801384 in words is "eighty-three million, eight hundred one thousand, three hundred eighty-four".