83844490 has 8 divisors (see below), whose sum is σ = 150920100. Its totient is φ = 33537792.

The previous prime is 83844469. The next prime is 83844503. The reversal of 83844490 is 9444838.

It can be written as a sum of positive squares in 2 ways, for example, as 83777409 + 67081 = 9153^2 + 259^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4192215 + ... + 4192234.

Almost surely, 2^83844490 is an apocalyptic number.

83844490 is a deficient number, since it is larger than the sum of its proper divisors (67075610).

83844490 is a wasteful number, since it uses less digits than its factorization.

83844490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8384456.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 83844490 is about 9156.6636937260. The cubic root of 83844490 is about 437.6814855214.

The spelling of 83844490 in words is "eighty-three million, eight hundred forty-four thousand, four hundred ninety".