354866 has 4 divisors (see below), whose sum is σ = 532302. Its totient is φ = 177432.

The previous prime is 354847. The next prime is 354869. The reversal of 354866 is 668453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 668453 = 31 ⋅21563.

It can be written as a sum of positive squares in only one way, i.e., 354025 + 841 = 595^2 + 29^2 .

It is not an unprimeable number, because it can be changed into a prime (354869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88715 + ... + 88718.

2³⁵⁴⁸⁶⁶ is an apocalyptic number.

354866 is a deficient number, since it is larger than the sum of its proper divisors (177436).

354866 is a wasteful number, since it uses less digits than its factorization.

354866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177435.

The product of its digits is 17280, while the sum is 32.

The square root of 354866 is about 595.7063034751. The cubic root of 354866 is about 70.7980773415.

The spelling of 354866 in words is "three hundred fifty-four thousand, eight hundred sixty-six".