438807345 has 16 divisors (see below), whose sum is σ = 702409920. Its totient is φ = 233924544.

The previous prime is 438807329. The next prime is 438807353. The reversal of 438807345 is 543708834.

It is not a de Polignac number, because 438807345 - 2⁴ = 438807329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 438807297 and 438807306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36726 + ... + 47184.

It is an arithmetic number, because the mean of its divisors is an integer number (43900620).

Almost surely, 2^438807345 is an apocalyptic number.

It is an amenable number.

438807345 is a deficient number, since it is larger than the sum of its proper divisors (263602575).

438807345 is a wasteful number, since it uses less digits than its factorization.

438807345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13264.

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 438807345 is about 20947.7288745105. The cubic root of 438807345 is about 759.9026566230.

The spelling of 438807345 in words is "four hundred thirty-eight million, eight hundred seven thousand, three hundred forty-five".