438680051 has 4 divisors (see below), whose sum is σ = 440563032. Its totient is φ = 436797072.

The previous prime is 438680027. The next prime is 438680057. The reversal of 438680051 is 150086834.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-438680051 is a prime.

It is a super-3 number, since 3×438680051³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 438679993 and 438680020.

It is not an unprimeable number, because it can be changed into a prime (438680057) 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 3 ways as a sum of consecutive naturals, for example, 941141 + ... + 941606.

It is an arithmetic number, because the mean of its divisors is an integer number (110140758).

Almost surely, 2^438680051 is an apocalyptic number.

438680051 is a deficient number, since it is larger than the sum of its proper divisors (1882981).

438680051 is a wasteful number, since it uses less digits than its factorization.

438680051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882980.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 438680051 is about 20944.6902817874. The cubic root of 438680051 is about 759.8291692448.

The spelling of 438680051 in words is "four hundred thirty-eight million, six hundred eighty thousand, fifty-one".