354478869 has 32 divisors (see below), whose sum is σ = 538001280. Its totient is φ = 230601600.

The previous prime is 354478847. The next prime is 354478913. The reversal of 354478869 is 968874453.

It is not a de Polignac number, because 354478869 - 2⁷ = 354478741 is a prime.

It is a super-2 number, since 2×354478869² = 251310537135038322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354478669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224854 + ... + 226424.

It is an arithmetic number, because the mean of its divisors is an integer number (16812540).

Almost surely, 2^354478869 is an apocalyptic number.

It is an amenable number.

354478869 is a deficient number, since it is larger than the sum of its proper divisors (183522411).

354478869 is a wasteful number, since it uses less digits than its factorization.

354478869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778 (or 1772 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 354478869 is about 18827.6092215661. The cubic root of 354478869 is about 707.7232292221.

The spelling of 354478869 in words is "three hundred fifty-four million, four hundred seventy-eight thousand, eight hundred sixty-nine".