438030977 has 4 divisors (see below), whose sum is σ = 439458096. Its totient is φ = 436603860.

The previous prime is 438030973. The next prime is 438030979. The reversal of 438030977 is 779030834.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 438030977 - 2² = 438030973 is a prime.

It is a super-2 number, since 2×438030977² = 383742273623149058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438030973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713099 + ... + 713712.

It is an arithmetic number, because the mean of its divisors is an integer number (109864524).

Almost surely, 2^438030977 is an apocalyptic number.

It is an amenable number.

438030977 is a deficient number, since it is larger than the sum of its proper divisors (1427119).

438030977 is a wasteful number, since it uses less digits than its factorization.

438030977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427118.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 438030977 is about 20929.1895925284. The cubic root of 438030977 is about 759.4542347891.

The spelling of 438030977 in words is "four hundred thirty-eight million, thirty thousand, nine hundred seventy-seven".