213995380 has 12 divisors (see below), whose sum is σ = 449390340. Its totient is φ = 85598144.

The previous prime is 213995377. The next prime is 213995389. The reversal of 213995380 is 83599312.

213995380 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 can be written as a sum of positive squares in 2 ways, for example, as 147768336 + 66227044 = 12156^2 + 8138^2 .

It is a super-2 number, since 2×213995380² = 91588045322688800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213995389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5349865 + ... + 5349904.

It is an arithmetic number, because the mean of its divisors is an integer number (37449195).

Almost surely, 2^213995380 is an apocalyptic number.

213995380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213995380 is an abundant number, since it is smaller than the sum of its proper divisors (235394960).

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

213995380 is a wasteful number, since it uses less digits than its factorization.

213995380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10699778 (or 10699776 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 213995380 is about 14628.5809291264. The cubic root of 213995380 is about 598.1380985519.

The spelling of 213995380 in words is "two hundred thirteen million, nine hundred ninety-five thousand, three hundred eighty".