4047634 has 4 divisors (see below), whose sum is σ = 6071454. Its totient is φ = 2023816.

The previous prime is 4047629. The next prime is 4047647. The reversal of 4047634 is 4367404.

4047634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3629025 + 418609 = 1905^2 + 647^2 .

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 as a sum of consecutive naturals, namely, 1011907 + ... + 1011910.

Almost surely, 2^4047634 is an apocalyptic number.

4047634 is a deficient number, since it is larger than the sum of its proper divisors (2023820).

4047634 is a wasteful number, since it uses less digits than its factorization.

4047634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023819.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 4047634 is about 2011.8732564453. The cubic root of 4047634 is about 159.3677392053.

It can be divided in two parts, 40 and 47634, that added together give a palindrome (47674).

The spelling of 4047634 in words is "four million, forty-seven thousand, six hundred thirty-four".