3077661 has 4 divisors (see below), whose sum is σ = 4103552. Its totient is φ = 2051772.

The previous prime is 3077647. The next prime is 3077681. The reversal of 3077661 is 1667703.

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 not a de Polignac number, because 3077661 - 2⁶ = 3077597 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3077611) 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, 512941 + ... + 512946.

It is an arithmetic number, because the mean of its divisors is an integer number (1025888).

Almost surely, 2^3077661 is an apocalyptic number.

It is an amenable number.

3077661 is a deficient number, since it is larger than the sum of its proper divisors (1025891).

3077661 is a wasteful number, since it uses less digits than its factorization.

3077661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025890.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 3077661 is about 1754.3263664438. The cubic root of 3077661 is about 145.4588870745.

The spelling of 3077661 in words is "three million, seventy-seven thousand, six hundred sixty-one".