321104407 has 8 divisors (see below), whose sum is σ = 348009536. Its totient is φ = 294514272.

The previous prime is 321104363. The next prime is 321104411. The reversal of 321104407 is 704401123.

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

It is not a de Polignac number, because 321104407 - 2¹⁹ = 320580119 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 (321104447) 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, 76623 + ... + 80704.

It is an arithmetic number, because the mean of its divisors is an integer number (43501192).

Almost surely, 2^321104407 is an apocalyptic number.

321104407 is a deficient number, since it is larger than the sum of its proper divisors (26905129).

321104407 is a wasteful number, since it uses less digits than its factorization.

321104407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157497.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 321104407 is about 17919.3863455198. The cubic root of 321104407 is about 684.7763540769.

The spelling of 321104407 in words is "three hundred twenty-one million, one hundred four thousand, four hundred seven".