927661 has 4 divisors (see below), whose sum is σ = 1060192. Its totient is φ = 795132.

The previous prime is 927653. The next prime is 927671. The reversal of 927661 is 166729.

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, and also an emirpimes, since its reverse is a distinct semiprime: 166729 = 137 ⋅1217.

It is a cyclic number.

It is not a de Polignac number, because 927661 - 2³ = 927653 is a prime.

927661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (927631) 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, 66255 + ... + 66268.

It is an arithmetic number, because the mean of its divisors is an integer number (265048).

2⁹²⁷⁶⁶¹ is an apocalyptic number.

It is an amenable number.

927661 is a deficient number, since it is larger than the sum of its proper divisors (132531).

927661 is a wasteful number, since it uses less digits than its factorization.

927661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132530.

The product of its digits is 4536, while the sum is 31.

The square root of 927661 is about 963.1515976211. The cubic root of 927661 is about 97.5281006007.

The spelling of 927661 in words is "nine hundred twenty-seven thousand, six hundred sixty-one".