354042 has 48 divisors (see below), whose sum is σ = 884520. Its totient is φ = 101376.

The previous prime is 354041. The next prime is 354043. The reversal of 354042 is 240453.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (354041) and next prime (354043).

It can be written as a sum of positive squares in 4 ways, for example, as 239121 + 114921 = 489^2 + 339^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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 354042.

It is not an unprimeable number, because it can be changed into a prime (354041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3934 + ... + 4022.

2³⁵⁴⁰⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442260).

354042 is an abundant number, since it is smaller than the sum of its proper divisors (530478).

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

354042 is a wasteful number, since it uses less digits than its factorization.

354042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 354042 is about 595.0142855428. The cubic root of 354042 is about 70.7432370849.

Adding to 354042 its reverse (240453), we get a palindrome (594495).

It can be divided in two parts, 3 and 54042, that added together give a palindrome (54045).

The spelling of 354042 in words is "three hundred fifty-four thousand, forty-two".