4147442 has 16 divisors (see below), whose sum is σ = 6735960. Its totient is φ = 1903872.

The previous prime is 4147417. The next prime is 4147457. The reversal of 4147442 is 2447414.

4147442 = T₂₃ + T₂₄ + ... + T₂₉₁.

It can be written as a sum of positive squares in 4 ways, for example, as 2042041 + 2105401 = 1429^2 + 1451^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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 7 ways as a sum of consecutive naturals, for example, 6698 + ... + 7290.

Almost surely, 2^4147442 is an apocalyptic number.

4147442 is a deficient number, since it is larger than the sum of its proper divisors (2588518).

4147442 is a wasteful number, since it uses less digits than its factorization.

4147442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877.

The product of its digits is 3584, while the sum is 26.

The square root of 4147442 is about 2036.5269455620. The cubic root of 4147442 is about 160.6670330124.

The spelling of 4147442 in words is "four million, one hundred forty-seven thousand, four hundred forty-two".