349642 has 4 divisors (see below), whose sum is σ = 524466. Its totient is φ = 174820.

The previous prime is 349637. The next prime is 349663. The reversal of 349642 is 246943.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 349281 + 361 = 591^2 + 19^2 .

It is a d-powerful number, because it can be written as 3¹⁰ + 4⁵ + 6⁷ + 9⁴ + 4⁵ + 2¹¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 349642.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87409 + ... + 87412.

2³⁴⁹⁶⁴² is an apocalyptic number.

349642 is a deficient number, since it is larger than the sum of its proper divisors (174824).

349642 is a wasteful number, since it uses less digits than its factorization.

349642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174823.

The product of its digits is 5184, while the sum is 28.

The square root of 349642 is about 591.3053356769. The cubic root of 349642 is about 70.4489511908.

The spelling of 349642 in words is "three hundred forty-nine thousand, six hundred forty-two".