438312097 has 8 divisors (see below), whose sum is σ = 440640000. Its totient is φ = 435989904.

The previous prime is 438312089. The next prime is 438312143. The reversal of 438312097 is 790213834.

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

It is a cyclic number.

It is not a de Polignac number, because 438312097 - 2³ = 438312089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438312697) 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, 291654 + ... + 293152.

It is an arithmetic number, because the mean of its divisors is an integer number (55080000).

Almost surely, 2^438312097 is an apocalyptic number.

It is an amenable number.

438312097 is a deficient number, since it is larger than the sum of its proper divisors (2327903).

438312097 is a wasteful number, since it uses less digits than its factorization.

438312097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 438312097 is about 20935.9044944325. The cubic root of 438312097 is about 759.6166678353.

The spelling of 438312097 in words is "four hundred thirty-eight million, three hundred twelve thousand, ninety-seven".