321479427 has 8 divisors (see below), whose sum is σ = 428726016. Its totient is φ = 214276232.

The previous prime is 321479423. The next prime is 321479461. The reversal of 321479427 is 724974123.

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 321479427 - 2² = 321479423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321479423) 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, 15778 + ... + 29864.

It is an arithmetic number, because the mean of its divisors is an integer number (53590752).

Almost surely, 2^321479427 is an apocalyptic number.

321479427 is a deficient number, since it is larger than the sum of its proper divisors (107246589).

321479427 is a wasteful number, since it uses less digits than its factorization.

321479427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21697.

The product of its digits is 84672, while the sum is 39.

The square root of 321479427 is about 17929.8473780454. The cubic root of 321479427 is about 685.0428353343.

The spelling of 321479427 in words is "three hundred twenty-one million, four hundred seventy-nine thousand, four hundred twenty-seven".