393498 has 40 divisors (see below), whose sum is σ = 1010592. Its totient is φ = 112104.

The previous prime is 393487. The next prime is 393517. The reversal of 393498 is 894393.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 961 + ... + 1307.

2³⁹³⁴⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 393498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505296).

393498 is an abundant number, since it is smaller than the sum of its proper divisors (617094).

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

393498 is a wasteful number, since it uses less digits than its factorization.

393498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 359 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 393498 is about 627.2941893562. The cubic root of 393498 is about 73.2792208701.

The spelling of 393498 in words is "three hundred ninety-three thousand, four hundred ninety-eight".