213861414 has 16 divisors (see below), whose sum is σ = 460624752. Its totient is φ = 65803488.

The previous prime is 213861407. The next prime is 213861437. The reversal of 213861414 is 414168312.

213861414 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1370829 + ... + 1370984.

It is an arithmetic number, because the mean of its divisors is an integer number (28789047).

Almost surely, 2^213861414 is an apocalyptic number.

213861414 is an abundant number, since it is smaller than the sum of its proper divisors (246763338).

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

213861414 is a wasteful number, since it uses less digits than its factorization.

213861414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741831.

The product of its digits is 4608, while the sum is 30.

The square root of 213861414 is about 14624.0012992341. The cubic root of 213861414 is about 598.0132564557.

The spelling of 213861414 in words is "two hundred thirteen million, eight hundred sixty-one thousand, four hundred fourteen".