213701418 has 96 divisors (see below), whose sum is σ = 567380736. Its totient is φ = 56795904.

The previous prime is 213701393. The next prime is 213701431. The reversal of 213701418 is 814107312.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213701391 and 213701400.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106230 + ... + 108222.

It is an arithmetic number, because the mean of its divisors is an integer number (5910216).

Almost surely, 2^213701418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213701418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283690368).

213701418 is an abundant number, since it is smaller than the sum of its proper divisors (353679318).

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

213701418 is a wasteful number, since it uses less digits than its factorization.

213701418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068 (or 2065 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 213701418 is about 14618.5299534529. The cubic root of 213701418 is about 597.8640888283.

The spelling of 213701418 in words is "two hundred thirteen million, seven hundred one thousand, four hundred eighteen".