493969 has 12 divisors (see below), whose sum is σ = 609444. Its totient is φ = 397824.

The previous prime is 493967. The next prime is 493973. The reversal of 493969 is 969394.

It can be written as a sum of positive squares in 2 ways, for example, as 345744 + 148225 = 588^2 + 385^2 .

It is not a de Polignac number, because 493969 - 2¹ = 493967 is a prime.

It is a super-2 number, since 2×493969² = 488010745922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493967) 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, 537 + ... + 1129.

It is an arithmetic number, because the mean of its divisors is an integer number (50787).

2⁴⁹³⁹⁶⁹ is an apocalyptic number.

493969 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

493969 is a deficient number, since it is larger than the sum of its proper divisors (115475).

493969 is a wasteful number, since it uses less digits than its factorization.

493969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 617 counting only the distinct ones).

The product of its digits is 52488, while the sum is 40.

The square root of 493969 is about 702.8292822585. The cubic root of 493969 is about 79.0496403285.

It can be divided in two parts, 49 and 3969, that multiplied together give a 4-th power (194481 = 21⁴).

The spelling of 493969 in words is "four hundred ninety-three thousand, nine hundred sixty-nine".