213482949 has 8 divisors (see below), whose sum is σ = 294459360. Its totient is φ = 137414256.

The previous prime is 213482939. The next prime is 213482953. The reversal of 213482949 is 949284312.

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

It is not a de Polignac number, because 213482949 - 2⁸ = 213482693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213482949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213482939) 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 7 ways as a sum of consecutive naturals, for example, 1226827 + ... + 1227000.

It is an arithmetic number, because the mean of its divisors is an integer number (36807420).

Almost surely, 2^213482949 is an apocalyptic number.

213482949 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

213482949 is a deficient number, since it is larger than the sum of its proper divisors (80976411).

213482949 is a wasteful number, since it uses less digits than its factorization.

213482949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453859.

The product of its digits is 124416, while the sum is 42.

The square root of 213482949 is about 14611.0557113441. The cubic root of 213482949 is about 597.6602853069.

The spelling of 213482949 in words is "two hundred thirteen million, four hundred eighty-two thousand, nine hundred forty-nine".