438214011 has 4 divisors (see below), whose sum is σ = 584285352. Its totient is φ = 292142672.

The previous prime is 438214001. The next prime is 438214013. The reversal of 438214011 is 110412834.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 438214011 - 2¹⁰ = 438212987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (438214013) 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, 73035666 + ... + 73035671.

It is an arithmetic number, because the mean of its divisors is an integer number (146071338).

Almost surely, 2^438214011 is an apocalyptic number.

438214011 is a deficient number, since it is larger than the sum of its proper divisors (146071341).

438214011 is a wasteful number, since it uses less digits than its factorization.

438214011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146071340.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 438214011 is about 20933.5618326170. The cubic root of 438214011 is about 759.5600009690.

Adding to 438214011 its reverse (110412834), we get a palindrome (548626845).

The spelling of 438214011 in words is "four hundred thirty-eight million, two hundred fourteen thousand, eleven".