213894927 has 6 divisors (see below), whose sum is σ = 308959352. Its totient is φ = 142596612.

The previous prime is 213894907. The next prime is 213894929. The reversal of 213894927 is 729498312.

It is not a de Polignac number, because 213894927 - 2¹⁴ = 213878543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213894929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11883043 + ... + 11883060.

Almost surely, 2^213894927 is an apocalyptic number.

213894927 is a deficient number, since it is larger than the sum of its proper divisors (95064425).

213894927 is a wasteful number, since it uses less digits than its factorization.

213894927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23766109 (or 23766106 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 213894927 is about 14625.1470761835. The cubic root of 213894927 is about 598.0444919041.

The spelling of 213894927 in words is "two hundred thirteen million, eight hundred ninety-four thousand, nine hundred twenty-seven".