438955097 has 8 divisors (see below), whose sum is σ = 501812352. Its totient is φ = 376135200.

The previous prime is 438955073. The next prime is 438955109. The reversal of 438955097 is 790559834.

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

It is not a de Polignac number, because 438955097 - 2¹⁸ = 438692953 is a prime.

It is a super-3 number, since 3×438955097³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438955057) 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, 23597 + ... + 37877.

It is an arithmetic number, because the mean of its divisors is an integer number (62726544).

Almost surely, 2^438955097 is an apocalyptic number.

It is an amenable number.

438955097 is a deficient number, since it is larger than the sum of its proper divisors (62857255).

438955097 is a wasteful number, since it uses less digits than its factorization.

438955097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18679.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 438955097 is about 20951.2552607236. The cubic root of 438955097 is about 759.9879366737.

The spelling of 438955097 in words is "four hundred thirty-eight million, nine hundred fifty-five thousand, ninety-seven".