4807661 has 4 divisors (see below), whose sum is σ = 4833024. Its totient is φ = 4782300.

The previous prime is 4807643. The next prime is 4807679. The reversal of 4807661 is 1667084.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (4807643) and next prime (4807679).

It is a cyclic number.

It is not a de Polignac number, because 4807661 - 2¹⁴ = 4791277 is a prime.

It is a super-3 number, since 3×4807661³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4807631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12395 + ... + 12776.

It is an arithmetic number, because the mean of its divisors is an integer number (1208256).

Almost surely, 2^4807661 is an apocalyptic number.

It is an amenable number.

4807661 is a deficient number, since it is larger than the sum of its proper divisors (25363).

4807661 is a wasteful number, since it uses less digits than its factorization.

4807661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25362.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 4807661 is about 2192.6379090037. The cubic root of 4807661 is about 168.7762289363.

The spelling of 4807661 in words is "four million, eight hundred seven thousand, six hundred sixty-one".