83387746 has 8 divisors (see below), whose sum is σ = 134703324. Its totient is φ = 38486640.

The previous prime is 83387743. The next prime is 83387747. The reversal of 83387746 is 64778338.

It can be written as a sum of positive squares in 2 ways, for example, as 71588521 + 11799225 = 8461^2 + 3435^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 83387696 and 83387705.

It is not an unprimeable number, because it can be changed into a prime (83387743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1603585 + ... + 1603636.

Almost surely, 2^83387746 is an apocalyptic number.

83387746 is a deficient number, since it is larger than the sum of its proper divisors (51315578).

83387746 is a wasteful number, since it uses less digits than its factorization.

83387746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207236.

The product of its digits is 677376, while the sum is 46.

The square root of 83387746 is about 9131.6891099073. The cubic root of 83387746 is about 436.8852793694.

The spelling of 83387746 in words is "eighty-three million, three hundred eighty-seven thousand, seven hundred forty-six".