109478446 has 48 divisors (see below), whose sum is σ = 213563952. Its totient is φ = 41596800.

The previous prime is 109478431. The next prime is 109478471. The reversal of 109478446 is 644874901.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

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 23 ways as a sum of consecutive naturals, for example, 42960 + ... + 45436.

It is an arithmetic number, because the mean of its divisors is an integer number (4449249).

Almost surely, 2^109478446 is an apocalyptic number.

109478446 is a deficient number, since it is larger than the sum of its proper divisors (104085506).

109478446 is a wasteful number, since it uses less digits than its factorization.

109478446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545 (or 2538 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 109478446 is about 10463.1948275849. The cubic root of 109478446 is about 478.3835177699.

The spelling of 109478446 in words is "one hundred nine million, four hundred seventy-eight thousand, four hundred forty-six".