438225654 has 32 divisors (see below), whose sum is σ = 891880704. Its totient is φ = 143526240.

The previous prime is 438225637. The next prime is 438225673. The reversal of 438225654 is 456522834.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 78252 + ... + 83664.

It is an arithmetic number, because the mean of its divisors is an integer number (27871272).

Almost surely, 2^438225654 is an apocalyptic number.

438225654 is an abundant number, since it is smaller than the sum of its proper divisors (453655050).

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

438225654 is a wasteful number, since it uses less digits than its factorization.

438225654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5652.

The product of its digits is 230400, while the sum is 39.

The square root of 438225654 is about 20933.8399248681. The cubic root of 438225654 is about 759.5667278791.

The spelling of 438225654 in words is "four hundred thirty-eight million, two hundred twenty-five thousand, six hundred fifty-four".