438913454 has 8 divisors (see below), whose sum is σ = 752423088. Its totient is φ = 188105760.

The previous prime is 438913451. The next prime is 438913477. The reversal of 438913454 is 454319834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438913451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15675467 + ... + 15675494.

It is an arithmetic number, because the mean of its divisors is an integer number (94052886).

Almost surely, 2^438913454 is an apocalyptic number.

438913454 is a deficient number, since it is larger than the sum of its proper divisors (313509634).

438913454 is a wasteful number, since it uses less digits than its factorization.

438913454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31350970.

The product of its digits is 207360, while the sum is 41.

The square root of 438913454 is about 20950.2614303497. The cubic root of 438913454 is about 759.9639029485.

The spelling of 438913454 in words is "four hundred thirty-eight million, nine hundred thirteen thousand, four hundred fifty-four".