349630 has 8 divisors (see below), whose sum is σ = 629352. Its totient is φ = 139848.

The previous prime is 349603. The next prime is 349637. The reversal of 349630 is 36943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×349630² = 244482273800, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 349595 and 349604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349637) 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, 17472 + ... + 17491.

It is an arithmetic number, because the mean of its divisors is an integer number (78669).

2³⁴⁹⁶³⁰ is an apocalyptic number.

349630 is a deficient number, since it is larger than the sum of its proper divisors (279722).

349630 is a wasteful number, since it uses less digits than its factorization.

349630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34970.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 349630 is about 591.2951885480. The cubic root of 349630 is about 70.4481452263.

It can be divided in two parts, 349 and 630, that added together give a palindrome (979).

The spelling of 349630 in words is "three hundred forty-nine thousand, six hundred thirty".