321493854 has 24 divisors (see below), whose sum is σ = 706756680. Its totient is φ = 97422160.

The previous prime is 321493819. The next prime is 321493859. The reversal of 321493854 is 458394123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321493859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220689 + ... + 222140.

It is an arithmetic number, because the mean of its divisors is an integer number (29448195).

Almost surely, 2^321493854 is an apocalyptic number.

321493854 is an abundant number, since it is smaller than the sum of its proper divisors (385262826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321493854 is a wasteful number, since it uses less digits than its factorization.

321493854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442856 (or 442845 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 321493854 is about 17930.2496915129. The cubic root of 321493854 is about 685.0530827139.

The spelling of 321493854 in words is "three hundred twenty-one million, four hundred ninety-three thousand, eight hundred fifty-four".