97838405 has 8 divisors (see below), whose sum is σ = 134178432. Its totient is φ = 67089168.

The previous prime is 97838399. The next prime is 97838407. The reversal of 97838405 is 50483879.

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 97838405 - 2¹⁰ = 97837381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97838407) 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, 1397657 + ... + 1397726.

It is an arithmetic number, because the mean of its divisors is an integer number (16772304).

Almost surely, 2^97838405 is an apocalyptic number.

It is an amenable number.

97838405 is a deficient number, since it is larger than the sum of its proper divisors (36340027).

97838405 is a wasteful number, since it uses less digits than its factorization.

97838405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795395.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 97838405 is about 9891.3297892649. The cubic root of 97838405 is about 460.7900804559.

The spelling of 97838405 in words is "ninety-seven million, eight hundred thirty-eight thousand, four hundred five".