213480934 has 8 divisors (see below), whose sum is σ = 339058008. Its totient is φ = 100461600.

The previous prime is 213480929. The next prime is 213480947. The reversal of 213480934 is 439084312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 6278851 = 213480934 / (2 + 1 + 3 + 4 + 8 + 0 + 9 + 3 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 213480934.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3139392 + ... + 3139459.

It is an arithmetic number, because the mean of its divisors is an integer number (42382251).

Almost surely, 2^213480934 is an apocalyptic number.

213480934 is a deficient number, since it is larger than the sum of its proper divisors (125577074).

213480934 is a wasteful number, since it uses less digits than its factorization.

213480934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6278870.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 213480934 is about 14610.9867565473. The cubic root of 213480934 is about 597.6584049237.

The spelling of 213480934 in words is "two hundred thirteen million, four hundred eighty thousand, nine hundred thirty-four".