213466860 has 48 divisors (see below), whose sum is σ = 664120800. Its totient is φ = 56924352.

The previous prime is 213466853. The next prime is 213466861. The reversal of 213466860 is 68664312.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (213466861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197115 + ... + 198194.

It is an arithmetic number, because the mean of its divisors is an integer number (13835850).

Almost surely, 2^213466860 is an apocalyptic number.

213466860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213466860 is an abundant number, since it is smaller than the sum of its proper divisors (450653940).

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

213466860 is a wasteful number, since it uses less digits than its factorization.

213466860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395327 (or 395319 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 213466860 is about 14610.5051247382. The cubic root of 213466860 is about 597.6452708402.

The spelling of 213466860 in words is "two hundred thirteen million, four hundred sixty-six thousand, eight hundred sixty".