3546478 has 8 divisors (see below), whose sum is σ = 5728968. Its totient is φ = 1636824.

The previous prime is 3546469. The next prime is 3546509. The reversal of 3546478 is 8746453.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 68176 + ... + 68227.

It is an arithmetic number, because the mean of its divisors is an integer number (716121).

Almost surely, 2^3546478 is an apocalyptic number.

3546478 is a deficient number, since it is larger than the sum of its proper divisors (2182490).

3546478 is a wasteful number, since it uses less digits than its factorization.

3546478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136418.

The product of its digits is 80640, while the sum is 37.

The square root of 3546478 is about 1883.2094944536. The cubic root of 3546478 is about 152.4985648884.

The spelling of 3546478 in words is "three million, five hundred forty-six thousand, four hundred seventy-eight".