213774430 has 16 divisors (see below), whose sum is σ = 384975360. Its totient is φ = 85469472.

The previous prime is 213774427. The next prime is 213774437. The reversal of 213774430 is 34477312.

It is a junction number, because it is equal to n+sod(n) for n = 213774392 and 213774401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213774437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26851 + ... + 33889.

It is an arithmetic number, because the mean of its divisors is an integer number (24060960).

Almost surely, 2^213774430 is an apocalyptic number.

213774430 is a deficient number, since it is larger than the sum of its proper divisors (171200930).

213774430 is a wasteful number, since it uses less digits than its factorization.

213774430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10083.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 213774430 is about 14621.0269817137. The cubic root of 213774430 is about 597.9321686800.

It can be divided in two parts, 2137 and 74430, that added together give a palindrome (76567).

The spelling of 213774430 in words is "two hundred thirteen million, seven hundred seventy-four thousand, four hundred thirty".