4623661 has 8 divisors (see below), whose sum is σ = 5407424. Its totient is φ = 3870720.

The previous prime is 4623659. The next prime is 4623683. The reversal of 4623661 is 1663264.

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

It is not a de Polignac number, because 4623661 - 2¹ = 4623659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4623691) 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 7 ways as a sum of consecutive naturals, for example, 7380 + ... + 7981.

It is an arithmetic number, because the mean of its divisors is an integer number (675928).

Almost surely, 2^4623661 is an apocalyptic number.

It is an amenable number.

4623661 is a deficient number, since it is larger than the sum of its proper divisors (783763).

4623661 is a wasteful number, since it uses less digits than its factorization.

4623661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15411.

The product of its digits is 5184, while the sum is 28.

The square root of 4623661 is about 2150.2699830486. The cubic root of 4623661 is about 166.5950123094.

The spelling of 4623661 in words is "four million, six hundred twenty-three thousand, six hundred sixty-one".