438089464 has 16 divisors (see below), whose sum is σ = 857131920. Its totient is φ = 209520960.

The previous prime is 438089453. The next prime is 438089543. The reversal of 438089464 is 464980834.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190277 + ... + 1190644.

It is an arithmetic number, because the mean of its divisors is an integer number (53570745).

Almost surely, 2^438089464 is an apocalyptic number.

It is an amenable number.

438089464 is a deficient number, since it is larger than the sum of its proper divisors (419042456).

438089464 is a wasteful number, since it uses less digits than its factorization.

438089464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380950 (or 2380946 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 438089464 is about 20930.5868049608. The cubic root of 438089464 is about 759.4880346993.

The spelling of 438089464 in words is "four hundred thirty-eight million, eighty-nine thousand, four hundred sixty-four".