4397742 has 48 divisors (see below), whose sum is σ = 10024560. Its totient is φ = 1392000.

The previous prime is 4397737. The next prime is 4397777. The reversal of 4397742 is 2477934.

It is a d-powerful number, because it can be written as 4⁸ + 3⁹ + 9 + 7² + 7⁶ + 4¹¹ + 2⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 4397697 and 4397706.

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, 43492 + ... + 43592.

It is an arithmetic number, because the mean of its divisors is an integer number (208845).

Almost surely, 2^4397742 is an apocalyptic number.

4397742 is an abundant number, since it is smaller than the sum of its proper divisors (5626818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4397742 is a wasteful number, since it uses less digits than its factorization.

4397742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 206 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 4397742 is about 2097.0793976385. The cubic root of 4397742 is about 163.8362186052.

The spelling of 4397742 in words is "four million, three hundred ninety-seven thousand, seven hundred forty-two".