146686386 has 32 divisors (see below), whose sum is σ = 365764608. Its totient is φ = 38100240.

The previous prime is 146686367. The next prime is 146686391. The reversal of 146686386 is 683686641.

It is a Curzon number.

It is an unprimeable number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158290 + ... + 159213.

It is an arithmetic number, because the mean of its divisors is an integer number (11430144).

Almost surely, 2^146686386 is an apocalyptic number.

146686386 is an abundant number, since it is smaller than the sum of its proper divisors (219078222).

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

146686386 is a wasteful number, since it uses less digits than its factorization.

146686386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317526.

The product of its digits is 995328, while the sum is 48.

The square root of 146686386 is about 12111.4155242069. The cubic root of 146686386 is about 527.3876265348.

The spelling of 146686386 in words is "one hundred forty-six million, six hundred eighty-six thousand, three hundred eighty-six".