438090366 has 16 divisors (see below), whose sum is σ = 1001349504. Its totient is φ = 125168664.

The previous prime is 438090347. The next prime is 438090451. The reversal of 438090366 is 663090834.

It is a congruent number.

It is an unprimeable number.

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, 5215320 + ... + 5215403.

It is an arithmetic number, because the mean of its divisors is an integer number (62584344).

Almost surely, 2^438090366 is an apocalyptic number.

438090366 is an abundant number, since it is smaller than the sum of its proper divisors (563259138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

438090366 is a wasteful number, since it uses less digits than its factorization.

438090366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430735.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 438090366 is about 20930.6083523628. The cubic root of 438090366 is about 759.4885559457.

The spelling of 438090366 in words is "four hundred thirty-eight million, ninety thousand, three hundred sixty-six".