4400146 has 8 divisors (see below), whose sum is σ = 6616764. Its totient is φ = 2194560.

The previous prime is 4400131. The next prime is 4400167. The reversal of 4400146 is 6410044.

It can be written as a sum of positive squares in 2 ways, for example, as 3651921 + 748225 = 1911^2 + 865^2 .

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

It is a super-2 number, since 2×4400146² = 38722569642632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675 + ... + 3406.

Almost surely, 2^4400146 is an apocalyptic number.

4400146 is a deficient number, since it is larger than the sum of its proper divisors (2216618).

4400146 is a wasteful number, since it uses less digits than its factorization.

4400146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4400146 is about 2097.6524974361. The cubic root of 4400146 is about 163.8660665380.

The spelling of 4400146 in words is "four million, four hundred thousand, one hundred forty-six".