309604097 has 8 divisors (see below), whose sum is σ = 343287552. Its totient is φ = 276843600.

The previous prime is 309604039. The next prime is 309604103. The reversal of 309604097 is 790406903.

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

It is not a de Polignac number, because 309604097 - 2¹² = 309600001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 309604097.

It is not an unprimeable number, because it can be changed into a prime (309604597) 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, 230033 + ... + 231374.

It is an arithmetic number, because the mean of its divisors is an integer number (42910944).

Almost surely, 2^309604097 is an apocalyptic number.

It is an amenable number.

309604097 is a deficient number, since it is larger than the sum of its proper divisors (33683455).

309604097 is a wasteful number, since it uses less digits than its factorization.

309604097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461479.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 309604097 is about 17595.5703800701. The cubic root of 309604097 is about 676.5017115390.

It can be divided in two parts, 309 and 604097, that added together give a palindrome (604406).

The spelling of 309604097 in words is "three hundred nine million, six hundred four thousand, ninety-seven".