86419642 has 8 divisors (see below), whose sum is σ = 133133076. Its totient is φ = 42041952.

The previous prime is 86419631. The next prime is 86419643. The reversal of 86419642 is 24691468.

It can be written as a sum of positive squares in 2 ways, for example, as 85729081 + 690561 = 9259^2 + 831^2 .

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 = 86419595 and 86419604.

It is not an unprimeable number, because it can be changed into a prime (86419643) by changing a digit.

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

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583843 + ... + 583990.

Almost surely, 2^86419642 is an apocalyptic number.

86419642 is a deficient number, since it is larger than the sum of its proper divisors (46713434).

86419642 is a wasteful number, since it uses less digits than its factorization.

86419642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167872.

The product of its digits is 82944, while the sum is 40.

The square root of 86419642 is about 9296.2165422283. The cubic root of 86419642 is about 442.1172781072.

The spelling of 86419642 in words is "eighty-six million, four hundred nineteen thousand, six hundred forty-two".