86090481 has 12 divisors (see below), whose sum is σ = 125585460. Its totient is φ = 56824800.

The previous prime is 86090461. The next prime is 86090483. The reversal of 86090481 is 18409068.

It is a happy number.

86090481 is a `hidden beast` number, since 8 + 609 + 0 + 48 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 70408881 + 15681600 = 8391^2 + 3960^2 .

It is not a de Polignac number, because 86090481 - 2¹⁹ = 85566193 is a prime.

It is a super-2 number, since 2×86090481² = 14823141837622722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86090483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46446 + ... + 48263.

It is an arithmetic number, because the mean of its divisors is an integer number (10465455).

Almost surely, 2^86090481 is an apocalyptic number.

It is an amenable number.

86090481 is a deficient number, since it is larger than the sum of its proper divisors (39494979).

86090481 is a wasteful number, since it uses less digits than its factorization.

86090481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94816 (or 94813 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 86090481 is about 9278.4956215973. The cubic root of 86090481 is about 441.5552418258. Note that the first 3 decimals are identical.

The spelling of 86090481 in words is "eighty-six million, ninety thousand, four hundred eighty-one".