4617661 has 4 divisors (see below), whose sum is σ = 4638592. Its totient is φ = 4596732.

The previous prime is 4617653. The next prime is 4617671. The reversal of 4617661 is 1667164.

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 a cyclic number.

It is not a de Polignac number, because 4617661 - 2³ = 4617653 is a prime.

It is a super-2 number, since 2×4617661² = 42645586221842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4617601) 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, 10131 + ... + 10576.

It is an arithmetic number, because the mean of its divisors is an integer number (1159648).

Almost surely, 2^4617661 is an apocalyptic number.

It is an amenable number.

4617661 is a deficient number, since it is larger than the sum of its proper divisors (20931).

4617661 is a wasteful number, since it uses less digits than its factorization.

4617661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20930.

The product of its digits is 6048, while the sum is 31.

The square root of 4617661 is about 2148.8743564946. The cubic root of 4617661 is about 166.5229191667.

The spelling of 4617661 in words is "four million, six hundred seventeen thousand, six hundred sixty-one".