214481386 has 32 divisors (see below), whose sum is σ = 389093760. Its totient is φ = 86619456.

The previous prime is 214481383. The next prime is 214481387. The reversal of 214481386 is 683184412.

It is not an unprimeable number, because it can be changed into a prime (214481381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50356 + ... + 54448.

It is an arithmetic number, because the mean of its divisors is an integer number (12159180).

Almost surely, 2^214481386 is an apocalyptic number.

214481386 is a deficient number, since it is larger than the sum of its proper divisors (174612374).

214481386 is a wasteful number, since it uses less digits than its factorization.

214481386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4318.

The product of its digits is 36864, while the sum is 37.

The square root of 214481386 is about 14645.1830306077. The cubic root of 214481386 is about 598.5905676860.

The spelling of 214481386 in words is "two hundred fourteen million, four hundred eighty-one thousand, three hundred eighty-six".