363493 has 4 divisors (see below), whose sum is σ = 391468. Its totient is φ = 335520.

The previous prime is 363491. The next prime is 363497. The reversal of 363493 is 394363.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68644 + 294849 = 262^2 + 543^2 .

It is a cyclic number.

It is not a de Polignac number, because 363493 - 2¹ = 363491 is a prime.

It is a super-2 number, since 2×363493² = 264254322098, which contains 22 as substring.

It is a Duffinian number.

363493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13968 + ... + 13993.

It is an arithmetic number, because the mean of its divisors is an integer number (97867).

2³⁶³⁴⁹³ is an apocalyptic number.

It is an amenable number.

363493 is a deficient number, since it is larger than the sum of its proper divisors (27975).

363493 is a wasteful number, since it uses less digits than its factorization.

363493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27974.

The product of its digits is 5832, while the sum is 28.

The square root of 363493 is about 602.9038065894. The cubic root of 363493 is about 71.3672042444.

The spelling of 363493 in words is "three hundred sixty-three thousand, four hundred ninety-three".