2447146 has 8 divisors (see below), whose sum is σ = 3953124. Its totient is φ = 1129440.

The previous prime is 2447141. The next prime is 2447147. The reversal of 2447146 is 6417442.

2447146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2283121 + 164025 = 1511^2 + 405^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2447141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 47035 + ... + 47086.

2^2447146 is an apocalyptic number.

2447146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2447146 is a deficient number, since it is larger than the sum of its proper divisors (1505978).

2447146 is a wasteful number, since it uses less digits than its factorization.

2447146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94136.

The product of its digits is 5376, while the sum is 28.

The square root of 2447146 is about 1564.3356417342. The cubic root of 2447146 is about 134.7576080279.

The spelling of 2447146 in words is "two million, four hundred forty-seven thousand, one hundred forty-six".