86505430 has 32 divisors (see below), whose sum is σ = 170981280. Its totient is φ = 31249920.

The previous prime is 86505409. The next prime is 86505443. The reversal of 86505430 is 3450568.

It is a junction number, because it is equal to n+sod(n) for n = 86505392 and 86505401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14766 + ... + 19774.

It is an arithmetic number, because the mean of its divisors is an integer number (5343165).

Almost surely, 2^86505430 is an apocalyptic number.

86505430 is a deficient number, since it is larger than the sum of its proper divisors (84475850).

86505430 is a wasteful number, since it uses less digits than its factorization.

86505430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 86505430 is about 9300.8295328965. The cubic root of 86505430 is about 442.2635250047.

Adding to 86505430 its reverse (3450568), we get a palindrome (89955998).

The spelling of 86505430 in words is "eighty-six million, five hundred five thousand, four hundred thirty".