349923 has 16 divisors (see below), whose sum is σ = 561920. Its totient is φ = 189216.

The previous prime is 349919. The next prime is 349927. The reversal of 349923 is 329943.

It is an interprime number because it is at equal distance from previous prime (349919) and next prime (349927).

It is not a de Polignac number, because 349923 - 2² = 349919 is a prime.

It is a super-2 number, since 2×349923² = 244892211858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349927) 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 15 ways as a sum of consecutive naturals, for example, 40 + ... + 837.

It is an arithmetic number, because the mean of its divisors is an integer number (35120).

2³⁴⁹⁹²³ is an apocalyptic number.

349923 is a deficient number, since it is larger than the sum of its proper divisors (211997).

349923 is a wasteful number, since it uses less digits than its factorization.

349923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its digits is 5832, while the sum is 30.

The square root of 349923 is about 591.5428978527. The cubic root of 349923 is about 70.4678189225.

It can be divided in two parts, 34992 and 3, that multiplied together give a 4-th power (104976 = 18⁴).

The spelling of 349923 in words is "three hundred forty-nine thousand, nine hundred twenty-three".