4004654 has 4 divisors (see below), whose sum is σ = 6006984. Its totient is φ = 2002326.

The previous prime is 4004653. The next prime is 4004659. The reversal of 4004654 is 4564004.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004653) by changing a digit.

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 as a sum of consecutive naturals, namely, 1001162 + ... + 1001165.

It is an arithmetic number, because the mean of its divisors is an integer number (1501746).

Almost surely, 2^4004654 is an apocalyptic number.

4004654 is a deficient number, since it is larger than the sum of its proper divisors (2002330).

4004654 is a wasteful number, since it uses less digits than its factorization.

4004654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002329.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4004654 is about 2001.1631617637. The cubic root of 4004654 is about 158.8016460395.

Adding to 4004654 its reverse (4564004), we get a palindrome (8568658).

It can be divided in two parts, 4004 and 654, that multiplied together give a triangular number (2618616 = T₂₂₈₈).

The spelling of 4004654 in words is "four million, four thousand, six hundred fifty-four".