438947061 has 8 divisors (see below), whose sum is σ = 668871744. Its totient is φ = 250826880.

The previous prime is 438947059. The next prime is 438947081. The reversal of 438947061 is 160749834.

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

It is not a de Polignac number, because 438947061 - 2¹ = 438947059 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438947051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10451100 + ... + 10451141.

It is an arithmetic number, because the mean of its divisors is an integer number (83608968).

Almost surely, 2^438947061 is an apocalyptic number.

It is an amenable number.

438947061 is a deficient number, since it is larger than the sum of its proper divisors (229924683).

438947061 is a wasteful number, since it uses less digits than its factorization.

438947061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20902251.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 438947061 is about 20951.0634813606. The cubic root of 438947061 is about 759.9832989174.

The spelling of 438947061 in words is "four hundred thirty-eight million, nine hundred forty-seven thousand, sixty-one".