83538386 has 8 divisors (see below), whose sum is σ = 129628620. Its totient is φ = 40328848.

The previous prime is 83538373. The next prime is 83538401. The reversal of 83538386 is 68383538.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 81631225 + 1907161 = 9035^2 + 1381^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720101 + ... + 720216.

Almost surely, 2^83538386 is an apocalyptic number.

83538386 is the 4886-th centered heptagonal number.

83538386 is a deficient number, since it is larger than the sum of its proper divisors (46090234).

83538386 is a wasteful number, since it uses less digits than its factorization.

83538386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440348.

The product of its digits is 414720, while the sum is 44.

The square root of 83538386 is about 9139.9335883802. The cubic root of 83538386 is about 437.1481989282.

The spelling of 83538386 in words is "eighty-three million, five hundred thirty-eight thousand, three hundred eighty-six".