86257446 has 32 divisors (see below), whose sum is σ = 188908416. Its totient is φ = 26040000.

The previous prime is 86257417. The next prime is 86257459. The reversal of 86257446 is 64475268.

It is a junction number, because it is equal to n+sod(n) for n = 86257398 and 86257407.

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, 16221 + ... + 20871.

It is an arithmetic number, because the mean of its divisors is an integer number (5903388).

Almost surely, 2^86257446 is an apocalyptic number.

86257446 is an abundant number, since it is smaller than the sum of its proper divisors (102650970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86257446 is a wasteful number, since it uses less digits than its factorization.

86257446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4948.

The product of its digits is 322560, while the sum is 42.

The square root of 86257446 is about 9287.4886810160. The cubic root of 86257446 is about 441.8405101496.

The spelling of 86257446 in words is "eighty-six million, two hundred fifty-seven thousand, four hundred forty-six".