354140 has 12 divisors (see below), whose sum is σ = 743736. Its totient is φ = 141648.

The previous prime is 354139. The next prime is 354143. The reversal of 354140 is 41453.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 354140.

It is not an unprimeable number, because it can be changed into a prime (354143) 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 3 ways as a sum of consecutive naturals, for example, 8834 + ... + 8873.

It is an arithmetic number, because the mean of its divisors is an integer number (61978).

2³⁵⁴¹⁴⁰ is an apocalyptic number.

It is an amenable number.

354140 is an abundant number, since it is smaller than the sum of its proper divisors (389596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

354140 is a wasteful number, since it uses less digits than its factorization.

354140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17716 (or 17714 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 354140 is about 595.0966308088. The cubic root of 354140 is about 70.7497638036.

Adding to 354140 its reverse (41453), we get a palindrome (395593).

It can be divided in two parts, 354 and 140, that added together give a palindrome (494).

The spelling of 354140 in words is "three hundred fifty-four thousand, one hundred forty".