349618 has 8 divisors (see below), whose sum is σ = 541440. Its totient is φ = 169140.

The previous prime is 349603. The next prime is 349637. The reversal of 349618 is 816943.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

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

It is a self number, because there is not a number n which added to its sum of digits gives 349618.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2758 + ... + 2881.

It is an arithmetic number, because the mean of its divisors is an integer number (67680).

2³⁴⁹⁶¹⁸ is an apocalyptic number.

349618 is a deficient number, since it is larger than the sum of its proper divisors (191822).

349618 is a wasteful number, since it uses less digits than its factorization.

349618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5672.

The product of its digits is 5184, while the sum is 31.

The square root of 349618 is about 591.2850412449. The cubic root of 349618 is about 70.4473392434.

It can be divided in two parts, 34961 and 8, that added together give a square (34969 = 187²).

The spelling of 349618 in words is "three hundred forty-nine thousand, six hundred eighteen".