354778 has 8 divisors (see below), whose sum is σ = 535680. Its totient is φ = 176220.

The previous prime is 354763. The next prime is 354779. The reversal of 354778 is 877453.

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

It is not an unprimeable number, because it can be changed into a prime (354779) 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, 138 + ... + 853.

It is an arithmetic number, because the mean of its divisors is an integer number (66960).

2³⁵⁴⁷⁷⁸ is an apocalyptic number.

354778 is a deficient number, since it is larger than the sum of its proper divisors (180902).

354778 is a wasteful number, since it uses less digits than its factorization.

354778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172.

The product of its digits is 23520, while the sum is 34.

The square root of 354778 is about 595.6324369945. The cubic root of 354778 is about 70.7922246667.

The spelling of 354778 in words is "three hundred fifty-four thousand, seven hundred seventy-eight".