213768546 has 8 divisors (see below), whose sum is σ = 427537104. Its totient is φ = 71256180.

The previous prime is 213768493. The next prime is 213768553. The reversal of 213768546 is 645867312.

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

213768546 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213768498 and 213768507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17814040 + ... + 17814051.

It is an arithmetic number, because the mean of its divisors is an integer number (53442138).

Almost surely, 2^213768546 is an apocalyptic number.

213768546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

213768546 is a wasteful number, since it uses less digits than its factorization.

213768546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35628096.

The product of its digits is 241920, while the sum is 42.

The square root of 213768546 is about 14620.8257632734. The cubic root of 213768546 is about 597.9266827337.

The spelling of 213768546 in words is "two hundred thirteen million, seven hundred sixty-eight thousand, five hundred forty-six".