321494 has 16 divisors (see below), whose sum is σ = 522720. Its totient is φ = 147840.

The previous prime is 321469. The next prime is 321509. The reversal of 321494 is 494123.

321494 = 282² + 283² + ... + 285².

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214 + ... + 1454.

It is an arithmetic number, because the mean of its divisors is an integer number (32670).

2³²¹⁴⁹⁴ is an apocalyptic number.

321494 is a deficient number, since it is larger than the sum of its proper divisors (201226).

321494 is a wasteful number, since it uses less digits than its factorization.

321494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295.

The product of its digits is 864, while the sum is 23.

The square root of 321494 is about 567.0044091539. The cubic root of 321494 is about 68.5053186415.

The spelling of 321494 in words is "three hundred twenty-one thousand, four hundred ninety-four".