356493 has 4 divisors (see below), whose sum is σ = 475328. Its totient is φ = 237660.

The previous prime is 356479. The next prime is 356501. The reversal of 356493 is 394653.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 356493 - 2¹⁸ = 94349 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 356493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59413 + ... + 59418.

It is an arithmetic number, because the mean of its divisors is an integer number (118832).

2³⁵⁶⁴⁹³ is an apocalyptic number.

It is an amenable number.

356493 is a deficient number, since it is larger than the sum of its proper divisors (118835).

356493 is a wasteful number, since it uses less digits than its factorization.

356493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118834.

The product of its digits is 9720, while the sum is 30.

The square root of 356493 is about 597.0703476141. The cubic root of 356493 is about 70.9061114342.

The spelling of 356493 in words is "three hundred fifty-six thousand, four hundred ninety-three".