213880484 has 6 divisors (see below), whose sum is σ = 374290854. Its totient is φ = 106940240.

The previous prime is 213880483. The next prime is 213880507. The reversal of 213880484 is 484088312.

It can be written as a sum of positive squares in only one way, i.e., 116424100 + 97456384 = 10790^2 + 9872^2 .

It is a super-2 number, since 2×213880484² = 91489722872148512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213880483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26735057 + ... + 26735064.

It is an arithmetic number, because the mean of its divisors is an integer number (62381809).

Almost surely, 2^213880484 is an apocalyptic number.

It is an amenable number.

213880484 is a deficient number, since it is larger than the sum of its proper divisors (160410370).

213880484 is a wasteful number, since it uses less digits than its factorization.

213880484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53470125 (or 53470123 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 213880484 is about 14624.6532950357. The cubic root of 213880484 is about 598.0310308540.

The spelling of 213880484 in words is "two hundred thirteen million, eight hundred eighty thousand, four hundred eighty-four".