354940 has 12 divisors (see below), whose sum is σ = 745416. Its totient is φ = 141968.

The previous prime is 354911. The next prime is 354953. The reversal of 354940 is 49453.

It is a congruent number.

It is an unprimeable number.

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, 8854 + ... + 8893.

It is an arithmetic number, because the mean of its divisors is an integer number (62118).

2³⁵⁴⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

354940 is an abundant number, since it is smaller than the sum of its proper divisors (390476).

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

354940 is a wasteful number, since it uses less digits than its factorization.

354940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17756 (or 17754 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 354940 is about 595.7684113815. The cubic root of 354940 is about 70.8029981600.

The spelling of 354940 in words is "three hundred fifty-four thousand, nine hundred forty".