83487386 has 4 divisors (see below), whose sum is σ = 125231082. Its totient is φ = 41743692.

The previous prime is 83487379. The next prime is 83487413. The reversal of 83487386 is 68378438.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 83375161 + 112225 = 9131^2 + 335^2 .

It is a super-2 number, since 2×83487386² = 13940287242225992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83487386.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20871845 + ... + 20871848.

Almost surely, 2^83487386 is an apocalyptic number.

83487386 is a deficient number, since it is larger than the sum of its proper divisors (41743696).

83487386 is a wasteful number, since it uses less digits than its factorization.

83487386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41743695.

The product of its digits is 774144, while the sum is 47.

The square root of 83487386 is about 9137.1432078084. The cubic root of 83487386 is about 437.0592214825.

The spelling of 83487386 in words is "eighty-three million, four hundred eighty-seven thousand, three hundred eighty-six".