213452466 has 16 divisors (see below), whose sum is σ = 445466304. Its totient is φ = 68057264.

The previous prime is 213452461. The next prime is 213452471. The reversal of 213452466 is 664254312.

It is an interprime number because it is at equal distance from previous prime (213452461) and next prime (213452471).

It is not an unprimeable number, because it can be changed into a prime (213452461) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 773241 + ... + 773516.

It is an arithmetic number, because the mean of its divisors is an integer number (27841644).

Almost surely, 2^213452466 is an apocalyptic number.

213452466 is an abundant number, since it is smaller than the sum of its proper divisors (232013838).

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

213452466 is a wasteful number, since it uses less digits than its factorization.

213452466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546785.

The product of its digits is 34560, while the sum is 33.

The square root of 213452466 is about 14610.0125256620. The cubic root of 213452466 is about 597.6318375304.

The spelling of 213452466 in words is "two hundred thirteen million, four hundred fifty-two thousand, four hundred sixty-six".